Home / 28,967.60-39,976.48-17,793.20

Finding the Fourth Proportional to 28,967.60, 39,976.48 and 17,793.20

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Solution

The fourth proportional to 28,967.60, 39,976.48 and 17,793.20 is: 24,555.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,967.60 : 39,976.48 = 17,793.20 : x
  2. Step 2: Convert to fraction form
    28,967.60/39,976.48 = 17,793.20/x
  3. Step 3: Cross multiply
    28,967.60x = 39,976.48 × 17,793.20
  4. Step 4: Simplify right side
    28,967.60x = 711,309,503.94
  5. Step 5: Solve for x
    x = 711,309,503.94/28,967.60
  6. Step 6: Final answer
    x = 24,555.35

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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.