Home / 27,701.14-38,222.51-15,599.74

Finding the Fourth Proportional to 27,701.14, 38,222.51 and 15,599.74

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Solution

The fourth proportional to 27,701.14, 38,222.51 and 15,599.74 is: 21,524.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,701.14 : 38,222.51 = 15,599.74 : x
  2. Step 2: Convert to fraction form
    27,701.14/38,222.51 = 15,599.74/x
  3. Step 3: Cross multiply
    27,701.14x = 38,222.51 × 15,599.74
  4. Step 4: Simplify right side
    27,701.14x = 596,260,949.04
  5. Step 5: Solve for x
    x = 596,260,949.04/27,701.14
  6. Step 6: Final answer
    x = 21,524.78

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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.