Home / 28,236.12-42,347.07-11,600.74

Finding the Fourth Proportional to 28,236.12, 42,347.07 and 11,600.74

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Solution

The fourth proportional to 28,236.12, 42,347.07 and 11,600.74 is: 17,398.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236.12 : 42,347.07 = 11,600.74 : x
  2. Step 2: Convert to fraction form
    28,236.12/42,347.07 = 11,600.74/x
  3. Step 3: Cross multiply
    28,236.12x = 42,347.07 × 11,600.74
  4. Step 4: Simplify right side
    28,236.12x = 491,257,348.83
  5. Step 5: Solve for x
    x = 491,257,348.83/28,236.12
  6. Step 6: Final answer
    x = 17,398.19

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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.