Home / 25,687.29-38,516.35-15,306.33

Finding the Fourth Proportional to 25,687.29, 38,516.35 and 15,306.33

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Solution

The fourth proportional to 25,687.29, 38,516.35 and 15,306.33 is: 22,950.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,687.29 : 38,516.35 = 15,306.33 : x
  2. Step 2: Convert to fraction form
    25,687.29/38,516.35 = 15,306.33/x
  3. Step 3: Cross multiply
    25,687.29x = 38,516.35 × 15,306.33
  4. Step 4: Simplify right side
    25,687.29x = 589,543,963.50
  5. Step 5: Solve for x
    x = 589,543,963.50/25,687.29
  6. Step 6: Final answer
    x = 22,950.80

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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.