Home / 21,082.77-31,624.20-14,489.01

Finding the Fourth Proportional to 21,082.77, 31,624.20 and 14,489.01

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Solution

The fourth proportional to 21,082.77, 31,624.20 and 14,489.01 is: 21,733.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,082.77 : 31,624.20 = 14,489.01 : x
  2. Step 2: Convert to fraction form
    21,082.77/31,624.20 = 14,489.01/x
  3. Step 3: Cross multiply
    21,082.77x = 31,624.20 × 14,489.01
  4. Step 4: Simplify right side
    21,082.77x = 458,203,350.04
  5. Step 5: Solve for x
    x = 458,203,350.04/21,082.77
  6. Step 6: Final answer
    x = 21,733.55

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