Home / 26,658.74-39,992.98-13,338.70

Finding the Fourth Proportional to 26,658.74, 39,992.98 and 13,338.70

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Solution

The fourth proportional to 26,658.74, 39,992.98 and 13,338.70 is: 20,010.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,658.74 : 39,992.98 = 13,338.70 : x
  2. Step 2: Convert to fraction form
    26,658.74/39,992.98 = 13,338.70/x
  3. Step 3: Cross multiply
    26,658.74x = 39,992.98 × 13,338.70
  4. Step 4: Simplify right side
    26,658.74x = 533,454,362.33
  5. Step 5: Solve for x
    x = 533,454,362.33/26,658.74
  6. Step 6: Final answer
    x = 20,010.49

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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.