Home / 28,041.50-38,696.18-15,466.25

Finding the Fourth Proportional to 28,041.50, 38,696.18 and 15,466.25

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Solution

The fourth proportional to 28,041.50, 38,696.18 and 15,466.25 is: 21,342.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041.50 : 38,696.18 = 15,466.25 : x
  2. Step 2: Convert to fraction form
    28,041.50/38,696.18 = 15,466.25/x
  3. Step 3: Cross multiply
    28,041.50x = 38,696.18 × 15,466.25
  4. Step 4: Simplify right side
    28,041.50x = 598,484,813.33
  5. Step 5: Solve for x
    x = 598,484,813.33/28,041.50
  6. Step 6: Final answer
    x = 21,342.82

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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.