Home / 28,397.04-42,595.56-22,279.92

Finding the Fourth Proportional to 28,397.04, 42,595.56 and 22,279.92

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Solution

The fourth proportional to 28,397.04, 42,595.56 and 22,279.92 is: 33,419.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397.04 : 42,595.56 = 22,279.92 : x
  2. Step 2: Convert to fraction form
    28,397.04/42,595.56 = 22,279.92/x
  3. Step 3: Cross multiply
    28,397.04x = 42,595.56 × 22,279.92
  4. Step 4: Simplify right side
    28,397.04x = 949,025,669.16
  5. Step 5: Solve for x
    x = 949,025,669.16/28,397.04
  6. Step 6: Final answer
    x = 33,419.88

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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.