Home / 28,073.86-42,169.10-22,271.02

Finding the Fourth Proportional to 28,073.86, 42,169.10 and 22,271.02

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Solution

The fourth proportional to 28,073.86, 42,169.10 and 22,271.02 is: 33,452.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,073.86 : 42,169.10 = 22,271.02 : x
  2. Step 2: Convert to fraction form
    28,073.86/42,169.10 = 22,271.02/x
  3. Step 3: Cross multiply
    28,073.86x = 42,169.10 × 22,271.02
  4. Step 4: Simplify right side
    28,073.86x = 939,148,869.48
  5. Step 5: Solve for x
    x = 939,148,869.48/28,073.86
  6. Step 6: Final answer
    x = 33,452.79

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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.