Home / 28,176.04-38,880.62-16,240.18

Finding the Fourth Proportional to 28,176.04, 38,880.62 and 16,240.18

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Solution

The fourth proportional to 28,176.04, 38,880.62 and 16,240.18 is: 22,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176.04 : 38,880.62 = 16,240.18 : x
  2. Step 2: Convert to fraction form
    28,176.04/38,880.62 = 16,240.18/x
  3. Step 3: Cross multiply
    28,176.04x = 38,880.62 × 16,240.18
  4. Step 4: Simplify right side
    28,176.04x = 631,428,267.31
  5. Step 5: Solve for x
    x = 631,428,267.31/28,176.04
  6. Step 6: Final answer
    x = 22,410.11

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Half scale
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Double scale
Find fourth proportional to 28,177.04, 38,882 and 16,241.18
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.