Home / 26,714.60-36,862.94-15,387.78

Finding the Fourth Proportional to 26,714.60, 36,862.94 and 15,387.78

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Solution

The fourth proportional to 26,714.60, 36,862.94 and 15,387.78 is: 21,233.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,714.60 : 36,862.94 = 15,387.78 : x
  2. Step 2: Convert to fraction form
    26,714.60/36,862.94 = 15,387.78/x
  3. Step 3: Cross multiply
    26,714.60x = 36,862.94 × 15,387.78
  4. Step 4: Simplify right side
    26,714.60x = 567,238,733.93
  5. Step 5: Solve for x
    x = 567,238,733.93/26,714.60
  6. Step 6: Final answer
    x = 21,233.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.