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Finding the Fourth Proportional to 27,585, 38,067.60 and 15,010.02

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Solution

The fourth proportional to 27,585, 38,067.60 and 15,010.02 is: 20,713.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,585 : 38,067.60 = 15,010.02 : x
  2. Step 2: Convert to fraction form
    27,585/38,067.60 = 15,010.02/x
  3. Step 3: Cross multiply
    27,585x = 38,067.60 × 15,010.02
  4. Step 4: Simplify right side
    27,585x = 571,395,437.35
  5. Step 5: Solve for x
    x = 571,395,437.35/27,585
  6. Step 6: Final answer
    x = 20,713.99

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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.