Home / 22,740.72-34,090.92-8,879.28

Finding the Fourth Proportional to 22,740.72, 34,090.92 and 8,879.28

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Solution

The fourth proportional to 22,740.72, 34,090.92 and 8,879.28 is: 13,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,740.72 : 34,090.92 = 8,879.28 : x
  2. Step 2: Convert to fraction form
    22,740.72/34,090.92 = 8,879.28/x
  3. Step 3: Cross multiply
    22,740.72x = 34,090.92 × 8,879.28
  4. Step 4: Simplify right side
    22,740.72x = 302,702,824.14
  5. Step 5: Solve for x
    x = 302,702,824.14/22,740.72
  6. Step 6: Final answer
    x = 13,311.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.