Home / 27,799.93-38,363.43-15,862.96

Finding the Fourth Proportional to 27,799.93, 38,363.43 and 15,862.96

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Solution

The fourth proportional to 27,799.93, 38,363.43 and 15,862.96 is: 21,890.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,799.93 : 38,363.43 = 15,862.96 : x
  2. Step 2: Convert to fraction form
    27,799.93/38,363.43 = 15,862.96/x
  3. Step 3: Cross multiply
    27,799.93x = 38,363.43 × 15,862.96
  4. Step 4: Simplify right side
    27,799.93x = 608,557,555.55
  5. Step 5: Solve for x
    x = 608,557,555.55/27,799.93
  6. Step 6: Final answer
    x = 21,890.61

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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.