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Finding the Fourth Proportional to 26,404, 39,614.10 and 8,886.40

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Solution

The fourth proportional to 26,404, 39,614.10 and 8,886.40 is: 13,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,404 : 39,614.10 = 8,886.40 : x
  2. Step 2: Convert to fraction form
    26,404/39,614.10 = 8,886.40/x
  3. Step 3: Cross multiply
    26,404x = 39,614.10 × 8,886.40
  4. Step 4: Simplify right side
    26,404x = 352,026,738.24
  5. Step 5: Solve for x
    x = 352,026,738.24/26,404
  6. Step 6: Final answer
    x = 13,332.33

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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.