Home / 84,923.40-127,385.55-25,759.13

Finding the Fourth Proportional to 84,923.40, 127,385.55 and 25,759.13

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Solution

The fourth proportional to 84,923.40, 127,385.55 and 25,759.13 is: 38,638.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,923.40 : 127,385.55 = 25,759.13 : x
  2. Step 2: Convert to fraction form
    84,923.40/127,385.55 = 25,759.13/x
  3. Step 3: Cross multiply
    84,923.40x = 127,385.55 × 25,759.13
  4. Step 4: Simplify right side
    84,923.40x = 3,281,340,305.64
  5. Step 5: Solve for x
    x = 3,281,340,305.64/84,923.40
  6. Step 6: Final answer
    x = 38,638.82

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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.