Home / 22,288.55-33,432.56-5,421.65

Finding the Fourth Proportional to 22,288.55, 33,432.56 and 5,421.65

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Solution

The fourth proportional to 22,288.55, 33,432.56 and 5,421.65 is: 8,132.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,288.55 : 33,432.56 = 5,421.65 : x
  2. Step 2: Convert to fraction form
    22,288.55/33,432.56 = 5,421.65/x
  3. Step 3: Cross multiply
    22,288.55x = 33,432.56 × 5,421.65
  4. Step 4: Simplify right side
    22,288.55x = 181,259,638.92
  5. Step 5: Solve for x
    x = 181,259,638.92/22,288.55
  6. Step 6: Final answer
    x = 8,132.41

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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.