Home / 25,487.70-38,224.26-9,901.68

Finding the Fourth Proportional to 25,487.70, 38,224.26 and 9,901.68

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Solution

The fourth proportional to 25,487.70, 38,224.26 and 9,901.68 is: 14,849.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.70 : 38,224.26 = 9,901.68 : x
  2. Step 2: Convert to fraction form
    25,487.70/38,224.26 = 9,901.68/x
  3. Step 3: Cross multiply
    25,487.70x = 38,224.26 × 9,901.68
  4. Step 4: Simplify right side
    25,487.70x = 378,484,390.76
  5. Step 5: Solve for x
    x = 378,484,390.76/25,487.70
  6. Step 6: Final answer
    x = 14,849.69

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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.