Home / 85,007.60-127,515.98-25,838.82

Finding the Fourth Proportional to 85,007.60, 127,515.98 and 25,838.82

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Solution

The fourth proportional to 85,007.60, 127,515.98 and 25,838.82 is: 38,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,007.60 : 127,515.98 = 25,838.82 : x
  2. Step 2: Convert to fraction form
    85,007.60/127,515.98 = 25,838.82/x
  3. Step 3: Cross multiply
    85,007.60x = 127,515.98 × 25,838.82
  4. Step 4: Simplify right side
    85,007.60x = 3,294,862,454.34
  5. Step 5: Solve for x
    x = 3,294,862,454.34/85,007.60
  6. Step 6: Final answer
    x = 38,759.62

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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.