Home / 26,519.01-39,778.52-12,470.31

Finding the Fourth Proportional to 26,519.01, 39,778.52 and 12,470.31

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Solution

The fourth proportional to 26,519.01, 39,778.52 and 12,470.31 is: 18,705.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,519.01 : 39,778.52 = 12,470.31 : x
  2. Step 2: Convert to fraction form
    26,519.01/39,778.52 = 12,470.31/x
  3. Step 3: Cross multiply
    26,519.01x = 39,778.52 × 12,470.31
  4. Step 4: Simplify right side
    26,519.01x = 496,050,413.39
  5. Step 5: Solve for x
    x = 496,050,413.39/26,519.01
  6. Step 6: Final answer
    x = 18,705.47

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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.