Home / 26,006.40-39,009.60-17,251.20

Finding the Fourth Proportional to 26,006.40, 39,009.60 and 17,251.20

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Solution

The fourth proportional to 26,006.40, 39,009.60 and 17,251.20 is: 25,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,006.40 : 39,009.60 = 17,251.20 : x
  2. Step 2: Convert to fraction form
    26,006.40/39,009.60 = 17,251.20/x
  3. Step 3: Cross multiply
    26,006.40x = 39,009.60 × 17,251.20
  4. Step 4: Simplify right side
    26,006.40x = 672,962,411.52
  5. Step 5: Solve for x
    x = 672,962,411.52/26,006.40
  6. Step 6: Final answer
    x = 25,876.80

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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.