Home / 26,909.80-40,364.69-8,188.16

Finding the Fourth Proportional to 26,909.80, 40,364.69 and 8,188.16

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Solution

The fourth proportional to 26,909.80, 40,364.69 and 8,188.16 is: 12,282.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,909.80 : 40,364.69 = 8,188.16 : x
  2. Step 2: Convert to fraction form
    26,909.80/40,364.69 = 8,188.16/x
  3. Step 3: Cross multiply
    26,909.80x = 40,364.69 × 8,188.16
  4. Step 4: Simplify right side
    26,909.80x = 330,512,661.45
  5. Step 5: Solve for x
    x = 330,512,661.45/26,909.80
  6. Step 6: Final answer
    x = 12,282.24

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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.