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Finding the Fourth Proportional to 26,132.88, 36,058.20 and 15,374.88

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Solution

The fourth proportional to 26,132.88, 36,058.20 and 15,374.88 is: 21,214.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,132.88 : 36,058.20 = 15,374.88 : x
  2. Step 2: Convert to fraction form
    26,132.88/36,058.20 = 15,374.88/x
  3. Step 3: Cross multiply
    26,132.88x = 36,058.20 × 15,374.88
  4. Step 4: Simplify right side
    26,132.88x = 554,390,498.02
  5. Step 5: Solve for x
    x = 554,390,498.02/26,132.88
  6. Step 6: Final answer
    x = 21,214.29

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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.