Home / 21,948.60-32,928.15-7,157.54

Finding the Fourth Proportional to 21,948.60, 32,928.15 and 7,157.54

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Solution

The fourth proportional to 21,948.60, 32,928.15 and 7,157.54 is: 10,738.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.60 : 32,928.15 = 7,157.54 : x
  2. Step 2: Convert to fraction form
    21,948.60/32,928.15 = 7,157.54/x
  3. Step 3: Cross multiply
    21,948.60x = 32,928.15 × 7,157.54
  4. Step 4: Simplify right side
    21,948.60x = 235,684,468.43
  5. Step 5: Solve for x
    x = 235,684,468.43/21,948.60
  6. Step 6: Final answer
    x = 10,738.02

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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.