Home / 28,338.17-42,489.03-13,546.76

Finding the Fourth Proportional to 28,338.17, 42,489.03 and 13,546.76

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Solution

The fourth proportional to 28,338.17, 42,489.03 and 13,546.76 is: 20,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,338.17 : 42,489.03 = 13,546.76 : x
  2. Step 2: Convert to fraction form
    28,338.17/42,489.03 = 13,546.76/x
  3. Step 3: Cross multiply
    28,338.17x = 42,489.03 × 13,546.76
  4. Step 4: Simplify right side
    28,338.17x = 575,588,692.04
  5. Step 5: Solve for x
    x = 575,588,692.04/28,338.17
  6. Step 6: Final answer
    x = 20,311.43

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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.