Home / 21,528.26-32,262.31-10,432

Finding the Fourth Proportional to 21,528.26, 32,262.31 and 10,432

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Solution

The fourth proportional to 21,528.26, 32,262.31 and 10,432 is: 15,633.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,528.26 : 32,262.31 = 10,432 : x
  2. Step 2: Convert to fraction form
    21,528.26/32,262.31 = 10,432/x
  3. Step 3: Cross multiply
    21,528.26x = 32,262.31 × 10,432
  4. Step 4: Simplify right side
    21,528.26x = 336,560,417.92
  5. Step 5: Solve for x
    x = 336,560,417.92/21,528.26
  6. Step 6: Final answer
    x = 15,633.42

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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.