Home / 28,899.82-43,374.34-11,381.95

Finding the Fourth Proportional to 28,899.82, 43,374.34 and 11,381.95

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Solution

The fourth proportional to 28,899.82, 43,374.34 and 11,381.95 is: 17,082.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,899.82 : 43,374.34 = 11,381.95 : x
  2. Step 2: Convert to fraction form
    28,899.82/43,374.34 = 11,381.95/x
  3. Step 3: Cross multiply
    28,899.82x = 43,374.34 × 11,381.95
  4. Step 4: Simplify right side
    28,899.82x = 493,684,697.59
  5. Step 5: Solve for x
    x = 493,684,697.59/28,899.82
  6. Step 6: Final answer
    x = 17,082.62

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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.