Home / 21,158.44-31,742.46-14,587.24

Finding the Fourth Proportional to 21,158.44, 31,742.46 and 14,587.24

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Solution

The fourth proportional to 21,158.44, 31,742.46 and 14,587.24 is: 21,884.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,158.44 : 31,742.46 = 14,587.24 : x
  2. Step 2: Convert to fraction form
    21,158.44/31,742.46 = 14,587.24/x
  3. Step 3: Cross multiply
    21,158.44x = 31,742.46 × 14,587.24
  4. Step 4: Simplify right side
    21,158.44x = 463,034,882.21
  5. Step 5: Solve for x
    x = 463,034,882.21/21,158.44
  6. Step 6: Final answer
    x = 21,884.17

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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.