Home / 21,580.68-32,327.72-17,145.63

Finding the Fourth Proportional to 21,580.68, 32,327.72 and 17,145.63

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Solution

The fourth proportional to 21,580.68, 32,327.72 and 17,145.63 is: 25,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580.68 : 32,327.72 = 17,145.63 : x
  2. Step 2: Convert to fraction form
    21,580.68/32,327.72 = 17,145.63/x
  3. Step 3: Cross multiply
    21,580.68x = 32,327.72 × 17,145.63
  4. Step 4: Simplify right side
    21,580.68x = 554,279,125.86
  5. Step 5: Solve for x
    x = 554,279,125.86/21,580.68
  6. Step 6: Final answer
    x = 25,684.04

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1.5x scale

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.