Home / 24,745.80-34,148.79-13,990.50

Finding the Fourth Proportional to 24,745.80, 34,148.79 and 13,990.50

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Solution

The fourth proportional to 24,745.80, 34,148.79 and 13,990.50 is: 19,306.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,745.80 : 34,148.79 = 13,990.50 : x
  2. Step 2: Convert to fraction form
    24,745.80/34,148.79 = 13,990.50/x
  3. Step 3: Cross multiply
    24,745.80x = 34,148.79 × 13,990.50
  4. Step 4: Simplify right side
    24,745.80x = 477,758,550.45
  5. Step 5: Solve for x
    x = 477,758,550.45/24,745.80
  6. Step 6: Final answer
    x = 19,306.65

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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.