Home / 27,949.13-38,570.30-15,202.59

Finding the Fourth Proportional to 27,949.13, 38,570.30 and 15,202.59

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Solution

The fourth proportional to 27,949.13, 38,570.30 and 15,202.59 is: 20,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,949.13 : 38,570.30 = 15,202.59 : x
  2. Step 2: Convert to fraction form
    27,949.13/38,570.30 = 15,202.59/x
  3. Step 3: Cross multiply
    27,949.13x = 38,570.30 × 15,202.59
  4. Step 4: Simplify right side
    27,949.13x = 586,368,381.06
  5. Step 5: Solve for x
    x = 586,368,381.06/27,949.13
  6. Step 6: Final answer
    x = 20,979.85

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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.