Home / 27,956.34-38,579.88-15,209.52

Finding the Fourth Proportional to 27,956.34, 38,579.88 and 15,209.52

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Solution

The fourth proportional to 27,956.34, 38,579.88 and 15,209.52 is: 20,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,956.34 : 38,579.88 = 15,209.52 : x
  2. Step 2: Convert to fraction form
    27,956.34/38,579.88 = 15,209.52/x
  3. Step 3: Cross multiply
    27,956.34x = 38,579.88 × 15,209.52
  4. Step 4: Simplify right side
    27,956.34x = 586,781,456.46
  5. Step 5: Solve for x
    x = 586,781,456.46/27,956.34
  6. Step 6: Final answer
    x = 20,989.21

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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.