Home / 27,870.49-41,787.95-18,371.84

Finding the Fourth Proportional to 27,870.49, 41,787.95 and 18,371.84

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Solution

The fourth proportional to 27,870.49, 41,787.95 and 18,371.84 is: 27,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,870.49 : 41,787.95 = 18,371.84 : x
  2. Step 2: Convert to fraction form
    27,870.49/41,787.95 = 18,371.84/x
  3. Step 3: Cross multiply
    27,870.49x = 41,787.95 × 18,371.84
  4. Step 4: Simplify right side
    27,870.49x = 767,721,230.53
  5. Step 5: Solve for x
    x = 767,721,230.53/27,870.49
  6. Step 6: Final answer
    x = 27,546.02

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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.