Home / 25,171.20-34,732.87-15,607.60

Finding the Fourth Proportional to 25,171.20, 34,732.87 and 15,607.60

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Solution

The fourth proportional to 25,171.20, 34,732.87 and 15,607.60 is: 21,536.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,171.20 : 34,732.87 = 15,607.60 : x
  2. Step 2: Convert to fraction form
    25,171.20/34,732.87 = 15,607.60/x
  3. Step 3: Cross multiply
    25,171.20x = 34,732.87 × 15,607.60
  4. Step 4: Simplify right side
    25,171.20x = 542,096,615.96
  5. Step 5: Solve for x
    x = 542,096,615.96/25,171.20
  6. Step 6: Final answer
    x = 21,536.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.