Home / 23,571.78-35,363.61-8,781.18

Finding the Fourth Proportional to 23,571.78, 35,363.61 and 8,781.18

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Solution

The fourth proportional to 23,571.78, 35,363.61 and 8,781.18 is: 13,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,571.78 : 35,363.61 = 8,781.18 : x
  2. Step 2: Convert to fraction form
    23,571.78/35,363.61 = 8,781.18/x
  3. Step 3: Cross multiply
    23,571.78x = 35,363.61 × 8,781.18
  4. Step 4: Simplify right side
    23,571.78x = 310,534,224.86
  5. Step 5: Solve for x
    x = 310,534,224.86/23,571.78
  6. Step 6: Final answer
    x = 13,173.98

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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.