Home / 26,909.64-40,370.61-8,192.34

Finding the Fourth Proportional to 26,909.64, 40,370.61 and 8,192.34

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Solution

The fourth proportional to 26,909.64, 40,370.61 and 8,192.34 is: 12,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,909.64 : 40,370.61 = 8,192.34 : x
  2. Step 2: Convert to fraction form
    26,909.64/40,370.61 = 8,192.34/x
  3. Step 3: Cross multiply
    26,909.64x = 40,370.61 × 8,192.34
  4. Step 4: Simplify right side
    26,909.64x = 330,729,763.13
  5. Step 5: Solve for x
    x = 330,729,763.13/26,909.64
  6. Step 6: Final answer
    x = 12,290.38

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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.