Home / 26,042.90-38,979.11-14,167.02

Finding the Fourth Proportional to 26,042.90, 38,979.11 and 14,167.02

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Solution

The fourth proportional to 26,042.90, 38,979.11 and 14,167.02 is: 21,204.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,042.90 : 38,979.11 = 14,167.02 : x
  2. Step 2: Convert to fraction form
    26,042.90/38,979.11 = 14,167.02/x
  3. Step 3: Cross multiply
    26,042.90x = 38,979.11 × 14,167.02
  4. Step 4: Simplify right side
    26,042.90x = 552,217,760.12
  5. Step 5: Solve for x
    x = 552,217,760.12/26,042.90
  6. Step 6: Final answer
    x = 21,204.16

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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.