Home / 25,752.96-38,545.92-13,890.24

Finding the Fourth Proportional to 25,752.96, 38,545.92 and 13,890.24

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Solution

The fourth proportional to 25,752.96, 38,545.92 and 13,890.24 is: 20,790.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,752.96 : 38,545.92 = 13,890.24 : x
  2. Step 2: Convert to fraction form
    25,752.96/38,545.92 = 13,890.24/x
  3. Step 3: Cross multiply
    25,752.96x = 38,545.92 × 13,890.24
  4. Step 4: Simplify right side
    25,752.96x = 535,412,079.82
  5. Step 5: Solve for x
    x = 535,412,079.82/25,752.96
  6. Step 6: Final answer
    x = 20,790.31

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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.