Home / 28,754.52-43,142.76-11,236.56

Finding the Fourth Proportional to 28,754.52, 43,142.76 and 11,236.56

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Solution

The fourth proportional to 28,754.52, 43,142.76 and 11,236.56 is: 16,859.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,754.52 : 43,142.76 = 11,236.56 : x
  2. Step 2: Convert to fraction form
    28,754.52/43,142.76 = 11,236.56/x
  3. Step 3: Cross multiply
    28,754.52x = 43,142.76 × 11,236.56
  4. Step 4: Simplify right side
    28,754.52x = 484,776,211.31
  5. Step 5: Solve for x
    x = 484,776,211.31/28,754.52
  6. Step 6: Final answer
    x = 16,859.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.