Home / 25,720.14-38,600.73-10,148.70

Finding the Fourth Proportional to 25,720.14, 38,600.73 and 10,148.70

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Solution

The fourth proportional to 25,720.14, 38,600.73 and 10,148.70 is: 15,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720.14 : 38,600.73 = 10,148.70 : x
  2. Step 2: Convert to fraction form
    25,720.14/38,600.73 = 10,148.70/x
  3. Step 3: Cross multiply
    25,720.14x = 38,600.73 × 10,148.70
  4. Step 4: Simplify right side
    25,720.14x = 391,747,228.55
  5. Step 5: Solve for x
    x = 391,747,228.55/25,720.14
  6. Step 6: Final answer
    x = 15,231.15

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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.