Home / 27,995.17-38,633.33-15,419.92

Finding the Fourth Proportional to 27,995.17, 38,633.33 and 15,419.92

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Solution

The fourth proportional to 27,995.17, 38,633.33 and 15,419.92 is: 21,279.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,995.17 : 38,633.33 = 15,419.92 : x
  2. Step 2: Convert to fraction form
    27,995.17/38,633.33 = 15,419.92/x
  3. Step 3: Cross multiply
    27,995.17x = 38,633.33 × 15,419.92
  4. Step 4: Simplify right side
    27,995.17x = 595,722,780.83
  5. Step 5: Solve for x
    x = 595,722,780.83/27,995.17
  6. Step 6: Final answer
    x = 21,279.48

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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.