Home / 25,331.61-37,998.19-8,691.41

Finding the Fourth Proportional to 25,331.61, 37,998.19 and 8,691.41

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Solution

The fourth proportional to 25,331.61, 37,998.19 and 8,691.41 is: 13,037.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,331.61 : 37,998.19 = 8,691.41 : x
  2. Step 2: Convert to fraction form
    25,331.61/37,998.19 = 8,691.41/x
  3. Step 3: Cross multiply
    25,331.61x = 37,998.19 × 8,691.41
  4. Step 4: Simplify right side
    25,331.61x = 330,257,805.09
  5. Step 5: Solve for x
    x = 330,257,805.09/25,331.61
  6. Step 6: Final answer
    x = 13,037.38

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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.