Home / 27,538.11-38,001.38-15,601.21

Finding the Fourth Proportional to 27,538.11, 38,001.38 and 15,601.21

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Solution

The fourth proportional to 27,538.11, 38,001.38 and 15,601.21 is: 21,528.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,538.11 : 38,001.38 = 15,601.21 : x
  2. Step 2: Convert to fraction form
    27,538.11/38,001.38 = 15,601.21/x
  3. Step 3: Cross multiply
    27,538.11x = 38,001.38 × 15,601.21
  4. Step 4: Simplify right side
    27,538.11x = 592,867,336.66
  5. Step 5: Solve for x
    x = 592,867,336.66/27,538.11
  6. Step 6: Final answer
    x = 21,528.98

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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.