Home / 27,870.37-38,458.57-16,537.92

Finding the Fourth Proportional to 27,870.37, 38,458.57 and 16,537.92

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Solution

The fourth proportional to 27,870.37, 38,458.57 and 16,537.92 is: 22,820.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,870.37 : 38,458.57 = 16,537.92 : x
  2. Step 2: Convert to fraction form
    27,870.37/38,458.57 = 16,537.92/x
  3. Step 3: Cross multiply
    27,870.37x = 38,458.57 × 16,537.92
  4. Step 4: Simplify right side
    27,870.37x = 636,024,753.97
  5. Step 5: Solve for x
    x = 636,024,753.97/27,870.37
  6. Step 6: Final answer
    x = 22,820.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.