Home / 84,695.20-127,001.64-25,519.84

Finding the Fourth Proportional to 84,695.20, 127,001.64 and 25,519.84

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Solution

The fourth proportional to 84,695.20, 127,001.64 and 25,519.84 is: 38,267.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,695.20 : 127,001.64 = 25,519.84 : x
  2. Step 2: Convert to fraction form
    84,695.20/127,001.64 = 25,519.84/x
  3. Step 3: Cross multiply
    84,695.20x = 127,001.64 × 25,519.84
  4. Step 4: Simplify right side
    84,695.20x = 3,241,061,532.54
  5. Step 5: Solve for x
    x = 3,241,061,532.54/84,695.20
  6. Step 6: Final answer
    x = 38,267.36

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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.