Home / 27,805.60-41,654.64-15,456.16

Finding the Fourth Proportional to 27,805.60, 41,654.64 and 15,456.16

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Solution

The fourth proportional to 27,805.60, 41,654.64 and 15,456.16 is: 23,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,805.60 : 41,654.64 = 15,456.16 : x
  2. Step 2: Convert to fraction form
    27,805.60/41,654.64 = 15,456.16/x
  3. Step 3: Cross multiply
    27,805.60x = 41,654.64 × 15,456.16
  4. Step 4: Simplify right side
    27,805.60x = 643,820,780.58
  5. Step 5: Solve for x
    x = 643,820,780.58/27,805.60
  6. Step 6: Final answer
    x = 23,154.36

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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.