Home / 27,621.97-38,116.52-16,288.87

Finding the Fourth Proportional to 27,621.97, 38,116.52 and 16,288.87

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Solution

The fourth proportional to 27,621.97, 38,116.52 and 16,288.87 is: 22,477.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.97 : 38,116.52 = 16,288.87 : x
  2. Step 2: Convert to fraction form
    27,621.97/38,116.52 = 16,288.87/x
  3. Step 3: Cross multiply
    27,621.97x = 38,116.52 × 16,288.87
  4. Step 4: Simplify right side
    27,621.97x = 620,874,862.40
  5. Step 5: Solve for x
    x = 620,874,862.40/27,621.97
  6. Step 6: Final answer
    x = 22,477.58

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1.5x scale

Why These Related Problems?

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