Home / 21,980.89-32,972.85-8,833.27

Finding the Fourth Proportional to 21,980.89, 32,972.85 and 8,833.27

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Solution

The fourth proportional to 21,980.89, 32,972.85 and 8,833.27 is: 13,250.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,980.89 : 32,972.85 = 8,833.27 : x
  2. Step 2: Convert to fraction form
    21,980.89/32,972.85 = 8,833.27/x
  3. Step 3: Cross multiply
    21,980.89x = 32,972.85 × 8,833.27
  4. Step 4: Simplify right side
    21,980.89x = 291,258,086.72
  5. Step 5: Solve for x
    x = 291,258,086.72/21,980.89
  6. Step 6: Final answer
    x = 13,250.51

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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.