Home / 25,491.47-38,229.91-13,003.70

Finding the Fourth Proportional to 25,491.47, 38,229.91 and 13,003.70

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Solution

The fourth proportional to 25,491.47, 38,229.91 and 13,003.70 is: 19,501.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,491.47 : 38,229.91 = 13,003.70 : x
  2. Step 2: Convert to fraction form
    25,491.47/38,229.91 = 13,003.70/x
  3. Step 3: Cross multiply
    25,491.47x = 38,229.91 × 13,003.70
  4. Step 4: Simplify right side
    25,491.47x = 497,130,057.01
  5. Step 5: Solve for x
    x = 497,130,057.01/25,491.47
  6. Step 6: Final answer
    x = 19,501.82

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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.