Home / 28,501.60-42,694.80-16,175.20

Finding the Fourth Proportional to 28,501.60, 42,694.80 and 16,175.20

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Solution

The fourth proportional to 28,501.60, 42,694.80 and 16,175.20 is: 24,230.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.60 : 42,694.80 = 16,175.20 : x
  2. Step 2: Convert to fraction form
    28,501.60/42,694.80 = 16,175.20/x
  3. Step 3: Cross multiply
    28,501.60x = 42,694.80 × 16,175.20
  4. Step 4: Simplify right side
    28,501.60x = 690,596,928.96
  5. Step 5: Solve for x
    x = 690,596,928.96/28,501.60
  6. Step 6: Final answer
    x = 24,230.11

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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.