Home / 38,245.50-52,764-28,197.78

Finding the Fourth Proportional to 38,245.50, 52,764 and 28,197.78

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Solution

The fourth proportional to 38,245.50, 52,764 and 28,197.78 is: 38,902.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,245.50 : 52,764 = 28,197.78 : x
  2. Step 2: Convert to fraction form
    38,245.50/52,764 = 28,197.78/x
  3. Step 3: Cross multiply
    38,245.50x = 52,764 × 28,197.78
  4. Step 4: Simplify right side
    38,245.50x = 1,487,827,663.92
  5. Step 5: Solve for x
    x = 1,487,827,663.92/38,245.50
  6. Step 6: Final answer
    x = 38,902.03

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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.