Home / 21,575.42-32,373.66-15,375.68

Finding the Fourth Proportional to 21,575.42, 32,373.66 and 15,375.68

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Solution

The fourth proportional to 21,575.42, 32,373.66 and 15,375.68 is: 23,071.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575.42 : 32,373.66 = 15,375.68 : x
  2. Step 2: Convert to fraction form
    21,575.42/32,373.66 = 15,375.68/x
  3. Step 3: Cross multiply
    21,575.42x = 32,373.66 × 15,375.68
  4. Step 4: Simplify right side
    21,575.42x = 497,767,036.59
  5. Step 5: Solve for x
    x = 497,767,036.59/21,575.42
  6. Step 6: Final answer
    x = 23,071.02

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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.