Home / 21,928.32-32,891.27-9,440.55

Finding the Fourth Proportional to 21,928.32, 32,891.27 and 9,440.55

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Solution

The fourth proportional to 21,928.32, 32,891.27 and 9,440.55 is: 14,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928.32 : 32,891.27 = 9,440.55 : x
  2. Step 2: Convert to fraction form
    21,928.32/32,891.27 = 9,440.55/x
  3. Step 3: Cross multiply
    21,928.32x = 32,891.27 × 9,440.55
  4. Step 4: Simplify right side
    21,928.32x = 310,511,631.80
  5. Step 5: Solve for x
    x = 310,511,631.80/21,928.32
  6. Step 6: Final answer
    x = 14,160.30

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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.