Home / 28,248.18-42,370.92-11,604.12

Finding the Fourth Proportional to 28,248.18, 42,370.92 and 11,604.12

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Solution

The fourth proportional to 28,248.18, 42,370.92 and 11,604.12 is: 17,405.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.18 : 42,370.92 = 11,604.12 : x
  2. Step 2: Convert to fraction form
    28,248.18/42,370.92 = 11,604.12/x
  3. Step 3: Cross multiply
    28,248.18x = 42,370.92 × 11,604.12
  4. Step 4: Simplify right side
    28,248.18x = 491,677,240.19
  5. Step 5: Solve for x
    x = 491,677,240.19/28,248.18
  6. Step 6: Final answer
    x = 17,405.63

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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.