Home / 25,155.80-37,755.60-10,375.32

Finding the Fourth Proportional to 25,155.80, 37,755.60 and 10,375.32

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Solution

The fourth proportional to 25,155.80, 37,755.60 and 10,375.32 is: 15,572.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.80 : 37,755.60 = 10,375.32 : x
  2. Step 2: Convert to fraction form
    25,155.80/37,755.60 = 10,375.32/x
  3. Step 3: Cross multiply
    25,155.80x = 37,755.60 × 10,375.32
  4. Step 4: Simplify right side
    25,155.80x = 391,726,431.79
  5. Step 5: Solve for x
    x = 391,726,431.79/25,155.80
  6. Step 6: Final answer
    x = 15,572.01

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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.