Home / 38,560.28-57,840.42-12,265.02

Finding the Fourth Proportional to 38,560.28, 57,840.42 and 12,265.02

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Solution

The fourth proportional to 38,560.28, 57,840.42 and 12,265.02 is: 18,397.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,560.28 : 57,840.42 = 12,265.02 : x
  2. Step 2: Convert to fraction form
    38,560.28/57,840.42 = 12,265.02/x
  3. Step 3: Cross multiply
    38,560.28x = 57,840.42 × 12,265.02
  4. Step 4: Simplify right side
    38,560.28x = 709,413,908.11
  5. Step 5: Solve for x
    x = 709,413,908.11/38,560.28
  6. Step 6: Final answer
    x = 18,397.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.