Home / 41,920.28-57,820.69-28,468.18

Finding the Fourth Proportional to 41,920.28, 57,820.69 and 28,468.18

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Solution

The fourth proportional to 41,920.28, 57,820.69 and 28,468.18 is: 39,266.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,920.28 : 57,820.69 = 28,468.18 : x
  2. Step 2: Convert to fraction form
    41,920.28/57,820.69 = 28,468.18/x
  3. Step 3: Cross multiply
    41,920.28x = 57,820.69 × 28,468.18
  4. Step 4: Simplify right side
    41,920.28x = 1,646,049,810.64
  5. Step 5: Solve for x
    x = 1,646,049,810.64/41,920.28
  6. Step 6: Final answer
    x = 39,266.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.