Home / 27,731.62-38,269.59-15,794.95

Finding the Fourth Proportional to 27,731.62, 38,269.59 and 15,794.95

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Solution

The fourth proportional to 27,731.62, 38,269.59 and 15,794.95 is: 21,797.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,731.62 : 38,269.59 = 15,794.95 : x
  2. Step 2: Convert to fraction form
    27,731.62/38,269.59 = 15,794.95/x
  3. Step 3: Cross multiply
    27,731.62x = 38,269.59 × 15,794.95
  4. Step 4: Simplify right side
    27,731.62x = 604,466,260.57
  5. Step 5: Solve for x
    x = 604,466,260.57/27,731.62
  6. Step 6: Final answer
    x = 21,797.01

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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.