Home / 32,428.58-48,320.48-28,891.40

Finding the Fourth Proportional to 32,428.58, 48,320.48 and 28,891.40

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Solution

The fourth proportional to 32,428.58, 48,320.48 and 28,891.40 is: 43,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,428.58 : 48,320.48 = 28,891.40 : x
  2. Step 2: Convert to fraction form
    32,428.58/48,320.48 = 28,891.40/x
  3. Step 3: Cross multiply
    32,428.58x = 48,320.48 × 28,891.40
  4. Step 4: Simplify right side
    32,428.58x = 1,396,046,146.50
  5. Step 5: Solve for x
    x = 1,396,046,146.50/32,428.58
  6. Step 6: Final answer
    x = 43,049.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.