Home / 21,620.43-32,397.81-16,047.68

Finding the Fourth Proportional to 21,620.43, 32,397.81 and 16,047.68

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Solution

The fourth proportional to 21,620.43, 32,397.81 and 16,047.68 is: 24,047.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,620.43 : 32,397.81 = 16,047.68 : x
  2. Step 2: Convert to fraction form
    21,620.43/32,397.81 = 16,047.68/x
  3. Step 3: Cross multiply
    21,620.43x = 32,397.81 × 16,047.68
  4. Step 4: Simplify right side
    21,620.43x = 519,909,525.59
  5. Step 5: Solve for x
    x = 519,909,525.59/21,620.43
  6. Step 6: Final answer
    x = 24,047.14

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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.