Home / 21,983.72-32,975.12-5,343.84

Finding the Fourth Proportional to 21,983.72, 32,975.12 and 5,343.84

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Solution

The fourth proportional to 21,983.72, 32,975.12 and 5,343.84 is: 8,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,983.72 : 32,975.12 = 5,343.84 : x
  2. Step 2: Convert to fraction form
    21,983.72/32,975.12 = 5,343.84/x
  3. Step 3: Cross multiply
    21,983.72x = 32,975.12 × 5,343.84
  4. Step 4: Simplify right side
    21,983.72x = 176,213,765.26
  5. Step 5: Solve for x
    x = 176,213,765.26/21,983.72
  6. Step 6: Final answer
    x = 8,015.65

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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.