Home / 84,593.05-126,889.67-25,428.72

Finding the Fourth Proportional to 84,593.05, 126,889.67 and 25,428.72

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Solution

The fourth proportional to 84,593.05, 126,889.67 and 25,428.72 is: 38,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,593.05 : 126,889.67 = 25,428.72 : x
  2. Step 2: Convert to fraction form
    84,593.05/126,889.67 = 25,428.72/x
  3. Step 3: Cross multiply
    84,593.05x = 126,889.67 × 25,428.72
  4. Step 4: Simplify right side
    84,593.05x = 3,226,641,714.98
  5. Step 5: Solve for x
    x = 3,226,641,714.98/84,593.05
  6. Step 6: Final answer
    x = 38,143.11

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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.