Home / 27,611.29-38,103.65-15,036.85

Finding the Fourth Proportional to 27,611.29, 38,103.65 and 15,036.85

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Solution

The fourth proportional to 27,611.29, 38,103.65 and 15,036.85 is: 20,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,611.29 : 38,103.65 = 15,036.85 : x
  2. Step 2: Convert to fraction form
    27,611.29/38,103.65 = 15,036.85/x
  3. Step 3: Cross multiply
    27,611.29x = 38,103.65 × 15,036.85
  4. Step 4: Simplify right side
    27,611.29x = 572,958,869.50
  5. Step 5: Solve for x
    x = 572,958,869.50/27,611.29
  6. Step 6: Final answer
    x = 20,750.89

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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.