Home / 21,417.34-32,126-8,943.24

Finding the Fourth Proportional to 21,417.34, 32,126 and 8,943.24

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Solution

The fourth proportional to 21,417.34, 32,126 and 8,943.24 is: 13,414.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,417.34 : 32,126 = 8,943.24 : x
  2. Step 2: Convert to fraction form
    21,417.34/32,126 = 8,943.24/x
  3. Step 3: Cross multiply
    21,417.34x = 32,126 × 8,943.24
  4. Step 4: Simplify right side
    21,417.34x = 287,310,528.24
  5. Step 5: Solve for x
    x = 287,310,528.24/21,417.34
  6. Step 6: Final answer
    x = 13,414.86

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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.