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Finding the Fourth Proportional to 85,498.33, 128,253.95 and 25,522.07

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Solution

The fourth proportional to 85,498.33, 128,253.95 and 25,522.07 is: 38,285.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,498.33 : 128,253.95 = 25,522.07 : x
  2. Step 2: Convert to fraction form
    85,498.33/128,253.95 = 25,522.07/x
  3. Step 3: Cross multiply
    85,498.33x = 128,253.95 × 25,522.07
  4. Step 4: Simplify right side
    85,498.33x = 3,273,306,289.68
  5. Step 5: Solve for x
    x = 3,273,306,289.68/85,498.33
  6. Step 6: Final answer
    x = 38,285.03

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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.