Home / 27,646.76-38,156.19-15,713.93

Finding the Fourth Proportional to 27,646.76, 38,156.19 and 15,713.93

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Solution

The fourth proportional to 27,646.76, 38,156.19 and 15,713.93 is: 21,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,646.76 : 38,156.19 = 15,713.93 : x
  2. Step 2: Convert to fraction form
    27,646.76/38,156.19 = 15,713.93/x
  3. Step 3: Cross multiply
    27,646.76x = 38,156.19 × 15,713.93
  4. Step 4: Simplify right side
    27,646.76x = 599,583,698.73
  5. Step 5: Solve for x
    x = 599,583,698.73/27,646.76
  6. Step 6: Final answer
    x = 21,687.30

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Half scale
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Double scale
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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.