Home / 21,434.32-32,099.32-14,842

Finding the Fourth Proportional to 21,434.32, 32,099.32 and 14,842

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Solution

The fourth proportional to 21,434.32, 32,099.32 and 14,842 is: 22,226.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,434.32 : 32,099.32 = 14,842 : x
  2. Step 2: Convert to fraction form
    21,434.32/32,099.32 = 14,842/x
  3. Step 3: Cross multiply
    21,434.32x = 32,099.32 × 14,842
  4. Step 4: Simplify right side
    21,434.32x = 476,418,107.44
  5. Step 5: Solve for x
    x = 476,418,107.44/21,434.32
  6. Step 6: Final answer
    x = 22,226.88

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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.