Home / 26,226.99-39,374.78-15,572.79

Finding the Fourth Proportional to 26,226.99, 39,374.78 and 15,572.79

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Solution

The fourth proportional to 26,226.99, 39,374.78 and 15,572.79 is: 23,379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,226.99 : 39,374.78 = 15,572.79 : x
  2. Step 2: Convert to fraction form
    26,226.99/39,374.78 = 15,572.79/x
  3. Step 3: Cross multiply
    26,226.99x = 39,374.78 × 15,572.79
  4. Step 4: Simplify right side
    26,226.99x = 613,175,317.61
  5. Step 5: Solve for x
    x = 613,175,317.61/26,226.99
  6. Step 6: Final answer
    x = 23,379.55

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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.