Home / 38,217.28-57,332.66-11,915.48

Finding the Fourth Proportional to 38,217.28, 57,332.66 and 11,915.48

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Solution

The fourth proportional to 38,217.28, 57,332.66 and 11,915.48 is: 17,875.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,217.28 : 57,332.66 = 11,915.48 : x
  2. Step 2: Convert to fraction form
    38,217.28/57,332.66 = 11,915.48/x
  3. Step 3: Cross multiply
    38,217.28x = 57,332.66 × 11,915.48
  4. Step 4: Simplify right side
    38,217.28x = 683,146,163.58
  5. Step 5: Solve for x
    x = 683,146,163.58/38,217.28
  6. Step 6: Final answer
    x = 17,875.32

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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.