Home / 27,862.60-38,453.80-15,926.44

Finding the Fourth Proportional to 27,862.60, 38,453.80 and 15,926.44

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Solution

The fourth proportional to 27,862.60, 38,453.80 and 15,926.44 is: 21,980.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,862.60 : 38,453.80 = 15,926.44 : x
  2. Step 2: Convert to fraction form
    27,862.60/38,453.80 = 15,926.44/x
  3. Step 3: Cross multiply
    27,862.60x = 38,453.80 × 15,926.44
  4. Step 4: Simplify right side
    27,862.60x = 612,432,138.47
  5. Step 5: Solve for x
    x = 612,432,138.47/27,862.60
  6. Step 6: Final answer
    x = 21,980.44

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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.