Home / 26,143.30-39,229.13-11,352.16

Finding the Fourth Proportional to 26,143.30, 39,229.13 and 11,352.16

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Solution

The fourth proportional to 26,143.30, 39,229.13 and 11,352.16 is: 17,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,143.30 : 39,229.13 = 11,352.16 : x
  2. Step 2: Convert to fraction form
    26,143.30/39,229.13 = 11,352.16/x
  3. Step 3: Cross multiply
    26,143.30x = 39,229.13 × 11,352.16
  4. Step 4: Simplify right side
    26,143.30x = 445,335,360.42
  5. Step 5: Solve for x
    x = 445,335,360.42/26,143.30
  6. Step 6: Final answer
    x = 17,034.40

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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.