Home / 28,236.24-42,347.25-11,600.87

Finding the Fourth Proportional to 28,236.24, 42,347.25 and 11,600.87

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Solution

The fourth proportional to 28,236.24, 42,347.25 and 11,600.87 is: 17,398.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236.24 : 42,347.25 = 11,600.87 : x
  2. Step 2: Convert to fraction form
    28,236.24/42,347.25 = 11,600.87/x
  3. Step 3: Cross multiply
    28,236.24x = 42,347.25 × 11,600.87
  4. Step 4: Simplify right side
    28,236.24x = 491,264,730.37
  5. Step 5: Solve for x
    x = 491,264,730.37/28,236.24
  6. Step 6: Final answer
    x = 17,398.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.