Home / 28,067.57-38,735.18-16,130.19

Finding the Fourth Proportional to 28,067.57, 38,735.18 and 16,130.19

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Solution

The fourth proportional to 28,067.57, 38,735.18 and 16,130.19 is: 22,260.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067.57 : 38,735.18 = 16,130.19 : x
  2. Step 2: Convert to fraction form
    28,067.57/38,735.18 = 16,130.19/x
  3. Step 3: Cross multiply
    28,067.57x = 38,735.18 × 16,130.19
  4. Step 4: Simplify right side
    28,067.57x = 624,805,813.08
  5. Step 5: Solve for x
    x = 624,805,813.08/28,067.57
  6. Step 6: Final answer
    x = 22,260.77

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Half scale
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Double scale
Find fourth proportional to 28,068.57, 38,736.56 and 16,131.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.