Home / 29,559.54-40,778.05-20,002.78

Finding the Fourth Proportional to 29,559.54, 40,778.05 and 20,002.78

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Solution

The fourth proportional to 29,559.54, 40,778.05 and 20,002.78 is: 27,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,559.54 : 40,778.05 = 20,002.78 : x
  2. Step 2: Convert to fraction form
    29,559.54/40,778.05 = 20,002.78/x
  3. Step 3: Cross multiply
    29,559.54x = 40,778.05 × 20,002.78
  4. Step 4: Simplify right side
    29,559.54x = 815,674,362.98
  5. Step 5: Solve for x
    x = 815,674,362.98/29,559.54
  6. Step 6: Final answer
    x = 27,594.28

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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.