Home / 21,426.42-32,074.79-19,452.05

Finding the Fourth Proportional to 21,426.42, 32,074.79 and 19,452.05

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Solution

The fourth proportional to 21,426.42, 32,074.79 and 19,452.05 is: 29,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,426.42 : 32,074.79 = 19,452.05 : x
  2. Step 2: Convert to fraction form
    21,426.42/32,074.79 = 19,452.05/x
  3. Step 3: Cross multiply
    21,426.42x = 32,074.79 × 19,452.05
  4. Step 4: Simplify right side
    21,426.42x = 623,920,281.47
  5. Step 5: Solve for x
    x = 623,920,281.47/21,426.42
  6. Step 6: Final answer
    x = 29,119.20

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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.