Home / 21,614.42-32,548.82-18,873.92

Finding the Fourth Proportional to 21,614.42, 32,548.82 and 18,873.92

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Solution

The fourth proportional to 21,614.42, 32,548.82 and 18,873.92 is: 28,421.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,614.42 : 32,548.82 = 18,873.92 : x
  2. Step 2: Convert to fraction form
    21,614.42/32,548.82 = 18,873.92/x
  3. Step 3: Cross multiply
    21,614.42x = 32,548.82 × 18,873.92
  4. Step 4: Simplify right side
    21,614.42x = 614,323,824.77
  5. Step 5: Solve for x
    x = 614,323,824.77/21,614.42
  6. Step 6: Final answer
    x = 28,421.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.