Home / 28,452.16-39,246.24-20,481.76

Finding the Fourth Proportional to 28,452.16, 39,246.24 and 20,481.76

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Solution

The fourth proportional to 28,452.16, 39,246.24 and 20,481.76 is: 28,252.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,452.16 : 39,246.24 = 20,481.76 : x
  2. Step 2: Convert to fraction form
    28,452.16/39,246.24 = 20,481.76/x
  3. Step 3: Cross multiply
    28,452.16x = 39,246.24 × 20,481.76
  4. Step 4: Simplify right side
    28,452.16x = 803,832,068.58
  5. Step 5: Solve for x
    x = 803,832,068.58/28,452.16
  6. Step 6: Final answer
    x = 28,252.06

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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.