Home / 28,239.27-42,358.19-7,462.95

Finding the Fourth Proportional to 28,239.27, 42,358.19 and 7,462.95

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Solution

The fourth proportional to 28,239.27, 42,358.19 and 7,462.95 is: 11,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,239.27 : 42,358.19 = 7,462.95 : x
  2. Step 2: Convert to fraction form
    28,239.27/42,358.19 = 7,462.95/x
  3. Step 3: Cross multiply
    28,239.27x = 42,358.19 × 7,462.95
  4. Step 4: Simplify right side
    28,239.27x = 316,117,016.75
  5. Step 5: Solve for x
    x = 316,117,016.75/28,239.27
  6. Step 6: Final answer
    x = 11,194.23

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1.5x scale

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.