Home / 25,712.10-38,568.15-11,861.10

Finding the Fourth Proportional to 25,712.10, 38,568.15 and 11,861.10

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Solution

The fourth proportional to 25,712.10, 38,568.15 and 11,861.10 is: 17,791.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,712.10 : 38,568.15 = 11,861.10 : x
  2. Step 2: Convert to fraction form
    25,712.10/38,568.15 = 11,861.10/x
  3. Step 3: Cross multiply
    25,712.10x = 38,568.15 × 11,861.10
  4. Step 4: Simplify right side
    25,712.10x = 457,460,683.97
  5. Step 5: Solve for x
    x = 457,460,683.97/25,712.10
  6. Step 6: Final answer
    x = 17,791.65

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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.