Home / 29,115.68-43,689.24-11,585.72

Finding the Fourth Proportional to 29,115.68, 43,689.24 and 11,585.72

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Solution

The fourth proportional to 29,115.68, 43,689.24 and 11,585.72 is: 17,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,115.68 : 43,689.24 = 11,585.72 : x
  2. Step 2: Convert to fraction form
    29,115.68/43,689.24 = 11,585.72/x
  3. Step 3: Cross multiply
    29,115.68x = 43,689.24 × 11,585.72
  4. Step 4: Simplify right side
    29,115.68x = 506,171,301.65
  5. Step 5: Solve for x
    x = 506,171,301.65/29,115.68
  6. Step 6: Final answer
    x = 17,384.84

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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.