Home / 28,248.36-42,346.37-10,469.12

Finding the Fourth Proportional to 28,248.36, 42,346.37 and 10,469.12

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Solution

The fourth proportional to 28,248.36, 42,346.37 and 10,469.12 is: 15,693.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.36 : 42,346.37 = 10,469.12 : x
  2. Step 2: Convert to fraction form
    28,248.36/42,346.37 = 10,469.12/x
  3. Step 3: Cross multiply
    28,248.36x = 42,346.37 × 10,469.12
  4. Step 4: Simplify right side
    28,248.36x = 443,328,965.02
  5. Step 5: Solve for x
    x = 443,328,965.02/28,248.36
  6. Step 6: Final answer
    x = 15,693.97

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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.