Home / 27,897.18-38,498.13-15,150.12

Finding the Fourth Proportional to 27,897.18, 38,498.13 and 15,150.12

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Solution

The fourth proportional to 27,897.18, 38,498.13 and 15,150.12 is: 20,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,897.18 : 38,498.13 = 15,150.12 : x
  2. Step 2: Convert to fraction form
    27,897.18/38,498.13 = 15,150.12/x
  3. Step 3: Cross multiply
    27,897.18x = 38,498.13 × 15,150.12
  4. Step 4: Simplify right side
    27,897.18x = 583,251,289.28
  5. Step 5: Solve for x
    x = 583,251,289.28/27,897.18
  6. Step 6: Final answer
    x = 20,907.18

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Similar ratio
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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.