Home / 26,815.55-37,010.84-15,486.89

Finding the Fourth Proportional to 26,815.55, 37,010.84 and 15,486.89

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Solution

The fourth proportional to 26,815.55, 37,010.84 and 15,486.89 is: 21,375.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815.55 : 37,010.84 = 15,486.89 : x
  2. Step 2: Convert to fraction form
    26,815.55/37,010.84 = 15,486.89/x
  3. Step 3: Cross multiply
    26,815.55x = 37,010.84 × 15,486.89
  4. Step 4: Simplify right side
    26,815.55x = 573,182,545.40
  5. Step 5: Solve for x
    x = 573,182,545.40/26,815.55
  6. Step 6: Final answer
    x = 21,375.01

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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.