Home / 42,391.28-63,586.95-14,689.28

Finding the Fourth Proportional to 42,391.28, 63,586.95 and 14,689.28

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Solution

The fourth proportional to 42,391.28, 63,586.95 and 14,689.28 is: 22,033.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,391.28 : 63,586.95 = 14,689.28 : x
  2. Step 2: Convert to fraction form
    42,391.28/63,586.95 = 14,689.28/x
  3. Step 3: Cross multiply
    42,391.28x = 63,586.95 × 14,689.28
  4. Step 4: Simplify right side
    42,391.28x = 934,046,512.90
  5. Step 5: Solve for x
    x = 934,046,512.90/42,391.28
  6. Step 6: Final answer
    x = 22,033.93

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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.