Home / 21,315.30-29,352.42-14,593.92

Finding the Fourth Proportional to 21,315.30, 29,352.42 and 14,593.92

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Solution

The fourth proportional to 21,315.30, 29,352.42 and 14,593.92 is: 20,096.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,315.30 : 29,352.42 = 14,593.92 : x
  2. Step 2: Convert to fraction form
    21,315.30/29,352.42 = 14,593.92/x
  3. Step 3: Cross multiply
    21,315.30x = 29,352.42 × 14,593.92
  4. Step 4: Simplify right side
    21,315.30x = 428,366,869.29
  5. Step 5: Solve for x
    x = 428,366,869.29/21,315.30
  6. Step 6: Final answer
    x = 20,096.68

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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.