Home / 28,013.74-38,657.83-15,266.65

Finding the Fourth Proportional to 28,013.74, 38,657.83 and 15,266.65

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Solution

The fourth proportional to 28,013.74, 38,657.83 and 15,266.65 is: 21,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,013.74 : 38,657.83 = 15,266.65 : x
  2. Step 2: Convert to fraction form
    28,013.74/38,657.83 = 15,266.65/x
  3. Step 3: Cross multiply
    28,013.74x = 38,657.83 × 15,266.65
  4. Step 4: Simplify right side
    28,013.74x = 590,175,560.37
  5. Step 5: Solve for x
    x = 590,175,560.37/28,013.74
  6. Step 6: Final answer
    x = 21,067.36

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Similar ratio
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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.