Home / 25,551.50-38,316.30-8,906.61

Finding the Fourth Proportional to 25,551.50, 38,316.30 and 8,906.61

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Solution

The fourth proportional to 25,551.50, 38,316.30 and 8,906.61 is: 13,356.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,551.50 : 38,316.30 = 8,906.61 : x
  2. Step 2: Convert to fraction form
    25,551.50/38,316.30 = 8,906.61/x
  3. Step 3: Cross multiply
    25,551.50x = 38,316.30 × 8,906.61
  4. Step 4: Simplify right side
    25,551.50x = 341,268,149.16
  5. Step 5: Solve for x
    x = 341,268,149.16/25,551.50
  6. Step 6: Final answer
    x = 13,356.09

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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.