Home / 25,600.38-38,400.56-7,132.38

Finding the Fourth Proportional to 25,600.38, 38,400.56 and 7,132.38

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Solution

The fourth proportional to 25,600.38, 38,400.56 and 7,132.38 is: 10,698.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,600.38 : 38,400.56 = 7,132.38 : x
  2. Step 2: Convert to fraction form
    25,600.38/38,400.56 = 7,132.38/x
  3. Step 3: Cross multiply
    25,600.38x = 38,400.56 × 7,132.38
  4. Step 4: Simplify right side
    25,600.38x = 273,887,386.13
  5. Step 5: Solve for x
    x = 273,887,386.13/25,600.38
  6. Step 6: Final answer
    x = 10,698.57

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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.