Home / 29,215.93-43,896.17-18,690.65

Finding the Fourth Proportional to 29,215.93, 43,896.17 and 18,690.65

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Solution

The fourth proportional to 29,215.93, 43,896.17 and 18,690.65 is: 28,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,215.93 : 43,896.17 = 18,690.65 : x
  2. Step 2: Convert to fraction form
    29,215.93/43,896.17 = 18,690.65/x
  3. Step 3: Cross multiply
    29,215.93x = 43,896.17 × 18,690.65
  4. Step 4: Simplify right side
    29,215.93x = 820,447,810.25
  5. Step 5: Solve for x
    x = 820,447,810.25/29,215.93
  6. Step 6: Final answer
    x = 28,082.21

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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.