Home / 28,286.06-42,434.56-10,754.53

Finding the Fourth Proportional to 28,286.06, 42,434.56 and 10,754.53

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Solution

The fourth proportional to 28,286.06, 42,434.56 and 10,754.53 is: 16,133.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,286.06 : 42,434.56 = 10,754.53 : x
  2. Step 2: Convert to fraction form
    28,286.06/42,434.56 = 10,754.53/x
  3. Step 3: Cross multiply
    28,286.06x = 42,434.56 × 10,754.53
  4. Step 4: Simplify right side
    28,286.06x = 456,363,615.58
  5. Step 5: Solve for x
    x = 456,363,615.58/28,286.06
  6. Step 6: Final answer
    x = 16,133.87

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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.