Home / 26,207.10-39,279.20-12,148.02

Finding the Fourth Proportional to 26,207.10, 39,279.20 and 12,148.02

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Solution

The fourth proportional to 26,207.10, 39,279.20 and 12,148.02 is: 18,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,207.10 : 39,279.20 = 12,148.02 : x
  2. Step 2: Convert to fraction form
    26,207.10/39,279.20 = 12,148.02/x
  3. Step 3: Cross multiply
    26,207.10x = 39,279.20 × 12,148.02
  4. Step 4: Simplify right side
    26,207.10x = 477,164,446.44
  5. Step 5: Solve for x
    x = 477,164,446.44/26,207.10
  6. Step 6: Final answer
    x = 18,207.45

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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.