Home / 27,799.29-38,353.50-15,854.04

Finding the Fourth Proportional to 27,799.29, 38,353.50 and 15,854.04

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Solution

The fourth proportional to 27,799.29, 38,353.50 and 15,854.04 is: 21,873.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,799.29 : 38,353.50 = 15,854.04 : x
  2. Step 2: Convert to fraction form
    27,799.29/38,353.50 = 15,854.04/x
  3. Step 3: Cross multiply
    27,799.29x = 38,353.50 × 15,854.04
  4. Step 4: Simplify right side
    27,799.29x = 608,057,923.14
  5. Step 5: Solve for x
    x = 608,057,923.14/27,799.29
  6. Step 6: Final answer
    x = 21,873.15

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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.