Home / 28,630.80-39,600.36-25,318.80

Finding the Fourth Proportional to 28,630.80, 39,600.36 and 25,318.80

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Solution

The fourth proportional to 28,630.80, 39,600.36 and 25,318.80 is: 35,019.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,630.80 : 39,600.36 = 25,318.80 : x
  2. Step 2: Convert to fraction form
    28,630.80/39,600.36 = 25,318.80/x
  3. Step 3: Cross multiply
    28,630.80x = 39,600.36 × 25,318.80
  4. Step 4: Simplify right side
    28,630.80x = 1,002,633,594.77
  5. Step 5: Solve for x
    x = 1,002,633,594.77/28,630.80
  6. Step 6: Final answer
    x = 35,019.41

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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.