Home / 23,729.28-32,643.96-20,518.62

Finding the Fourth Proportional to 23,729.28, 32,643.96 and 20,518.62

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Solution

The fourth proportional to 23,729.28, 32,643.96 and 20,518.62 is: 28,227.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,729.28 : 32,643.96 = 20,518.62 : x
  2. Step 2: Convert to fraction form
    23,729.28/32,643.96 = 20,518.62/x
  3. Step 3: Cross multiply
    23,729.28x = 32,643.96 × 20,518.62
  4. Step 4: Simplify right side
    23,729.28x = 669,809,010.54
  5. Step 5: Solve for x
    x = 669,809,010.54/23,729.28
  6. Step 6: Final answer
    x = 28,227.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.