Home / 84,607.12-126,892.86-25,425.28

Finding the Fourth Proportional to 84,607.12, 126,892.86 and 25,425.28

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Solution

The fourth proportional to 84,607.12, 126,892.86 and 25,425.28 is: 38,132.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,607.12 : 126,892.86 = 25,425.28 : x
  2. Step 2: Convert to fraction form
    84,607.12/126,892.86 = 25,425.28/x
  3. Step 3: Cross multiply
    84,607.12x = 126,892.86 × 25,425.28
  4. Step 4: Simplify right side
    84,607.12x = 3,226,286,495.50
  5. Step 5: Solve for x
    x = 3,226,286,495.50/84,607.12
  6. Step 6: Final answer
    x = 38,132.56

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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.