Home / 28,116.24-38,773.89-18,047.76

Finding the Fourth Proportional to 28,116.24, 38,773.89 and 18,047.76

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Solution

The fourth proportional to 28,116.24, 38,773.89 and 18,047.76 is: 24,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,116.24 : 38,773.89 = 18,047.76 : x
  2. Step 2: Convert to fraction form
    28,116.24/38,773.89 = 18,047.76/x
  3. Step 3: Cross multiply
    28,116.24x = 38,773.89 × 18,047.76
  4. Step 4: Simplify right side
    28,116.24x = 699,781,860.99
  5. Step 5: Solve for x
    x = 699,781,860.99/28,116.24
  6. Step 6: Final answer
    x = 24,888.88

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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.