Home / 84,546.08-126,825.27-28,385.71

Finding the Fourth Proportional to 84,546.08, 126,825.27 and 28,385.71

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Solution

The fourth proportional to 84,546.08, 126,825.27 and 28,385.71 is: 42,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,546.08 : 126,825.27 = 28,385.71 : x
  2. Step 2: Convert to fraction form
    84,546.08/126,825.27 = 28,385.71/x
  3. Step 3: Cross multiply
    84,546.08x = 126,825.27 × 28,385.71
  4. Step 4: Simplify right side
    84,546.08x = 3,600,025,493.42
  5. Step 5: Solve for x
    x = 3,600,025,493.42/84,546.08
  6. Step 6: Final answer
    x = 42,580.63

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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.