Home / 21,454.44-29,576.11-15,061.57

Finding the Fourth Proportional to 21,454.44, 29,576.11 and 15,061.57

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Solution

The fourth proportional to 21,454.44, 29,576.11 and 15,061.57 is: 20,763.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,454.44 : 29,576.11 = 15,061.57 : x
  2. Step 2: Convert to fraction form
    21,454.44/29,576.11 = 15,061.57/x
  3. Step 3: Cross multiply
    21,454.44x = 29,576.11 × 15,061.57
  4. Step 4: Simplify right side
    21,454.44x = 445,462,651.09
  5. Step 5: Solve for x
    x = 445,462,651.09/21,454.44
  6. Step 6: Final answer
    x = 20,763.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.