Home / 27,611.14-38,104.17-15,036.70

Finding the Fourth Proportional to 27,611.14, 38,104.17 and 15,036.70

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Solution

The fourth proportional to 27,611.14, 38,104.17 and 15,036.70 is: 20,751.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,611.14 : 38,104.17 = 15,036.70 : x
  2. Step 2: Convert to fraction form
    27,611.14/38,104.17 = 15,036.70/x
  3. Step 3: Cross multiply
    27,611.14x = 38,104.17 × 15,036.70
  4. Step 4: Simplify right side
    27,611.14x = 572,960,973.04
  5. Step 5: Solve for x
    x = 572,960,973.04/27,611.14
  6. Step 6: Final answer
    x = 20,751.08

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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.