Home / 21,346.17-32,029.29-13,446.87

Finding the Fourth Proportional to 21,346.17, 32,029.29 and 13,446.87

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Solution

The fourth proportional to 21,346.17, 32,029.29 and 13,446.87 is: 20,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,346.17 : 32,029.29 = 13,446.87 : x
  2. Step 2: Convert to fraction form
    21,346.17/32,029.29 = 13,446.87/x
  3. Step 3: Cross multiply
    21,346.17x = 32,029.29 × 13,446.87
  4. Step 4: Simplify right side
    21,346.17x = 430,693,698.82
  5. Step 5: Solve for x
    x = 430,693,698.82/21,346.17
  6. Step 6: Final answer
    x = 20,176.63

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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.