Home / 21,871.13-32,813.60-16,631.24

Finding the Fourth Proportional to 21,871.13, 32,813.60 and 16,631.24

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Solution

The fourth proportional to 21,871.13, 32,813.60 and 16,631.24 is: 24,952.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,871.13 : 32,813.60 = 16,631.24 : x
  2. Step 2: Convert to fraction form
    21,871.13/32,813.60 = 16,631.24/x
  3. Step 3: Cross multiply
    21,871.13x = 32,813.60 × 16,631.24
  4. Step 4: Simplify right side
    21,871.13x = 545,730,609.64
  5. Step 5: Solve for x
    x = 545,730,609.64/21,871.13
  6. Step 6: Final answer
    x = 24,952.11

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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.