Home / 28,322.38-42,454.41-15,171.22

Finding the Fourth Proportional to 28,322.38, 42,454.41 and 15,171.22

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Solution

The fourth proportional to 28,322.38, 42,454.41 and 15,171.22 is: 22,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.38 : 42,454.41 = 15,171.22 : x
  2. Step 2: Convert to fraction form
    28,322.38/42,454.41 = 15,171.22/x
  3. Step 3: Cross multiply
    28,322.38x = 42,454.41 × 15,171.22
  4. Step 4: Simplify right side
    28,322.38x = 644,085,194.08
  5. Step 5: Solve for x
    x = 644,085,194.08/28,322.38
  6. Step 6: Final answer
    x = 22,741.21

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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.