Home / 23,118.60-34,629.30-18,744.60

Finding the Fourth Proportional to 23,118.60, 34,629.30 and 18,744.60

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Solution

The fourth proportional to 23,118.60, 34,629.30 and 18,744.60 is: 28,077.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,118.60 : 34,629.30 = 18,744.60 : x
  2. Step 2: Convert to fraction form
    23,118.60/34,629.30 = 18,744.60/x
  3. Step 3: Cross multiply
    23,118.60x = 34,629.30 × 18,744.60
  4. Step 4: Simplify right side
    23,118.60x = 649,112,376.78
  5. Step 5: Solve for x
    x = 649,112,376.78/23,118.60
  6. Step 6: Final answer
    x = 28,077.50

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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.