Home / 84,693.20-126,998.64-25,517.84

Finding the Fourth Proportional to 84,693.20, 126,998.64 and 25,517.84

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Solution

The fourth proportional to 84,693.20, 126,998.64 and 25,517.84 is: 38,264.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,693.20 : 126,998.64 = 25,517.84 : x
  2. Step 2: Convert to fraction form
    84,693.20/126,998.64 = 25,517.84/x
  3. Step 3: Cross multiply
    84,693.20x = 126,998.64 × 25,517.84
  4. Step 4: Simplify right side
    84,693.20x = 3,240,730,975.74
  5. Step 5: Solve for x
    x = 3,240,730,975.74/84,693.20
  6. Step 6: Final answer
    x = 38,264.36

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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.