Home / 25,686.29-38,514.85-15,305.33

Finding the Fourth Proportional to 25,686.29, 38,514.85 and 15,305.33

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Solution

The fourth proportional to 25,686.29, 38,514.85 and 15,305.33 is: 22,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,686.29 : 38,514.85 = 15,305.33 : x
  2. Step 2: Convert to fraction form
    25,686.29/38,514.85 = 15,305.33/x
  3. Step 3: Cross multiply
    25,686.29x = 38,514.85 × 15,305.33
  4. Step 4: Simplify right side
    25,686.29x = 589,482,489.15
  5. Step 5: Solve for x
    x = 589,482,489.15/25,686.29
  6. Step 6: Final answer
    x = 22,949.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.