Home / 28,219.20-42,341.76-27,752.64

Finding the Fourth Proportional to 28,219.20, 42,341.76 and 27,752.64

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Solution

The fourth proportional to 28,219.20, 42,341.76 and 27,752.64 is: 41,641.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,219.20 : 42,341.76 = 27,752.64 : x
  2. Step 2: Convert to fraction form
    28,219.20/42,341.76 = 27,752.64/x
  3. Step 3: Cross multiply
    28,219.20x = 42,341.76 × 27,752.64
  4. Step 4: Simplify right side
    28,219.20x = 1,175,095,622.25
  5. Step 5: Solve for x
    x = 1,175,095,622.25/28,219.20
  6. Step 6: Final answer
    x = 41,641.71

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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.