Home / 21,975.05-32,956.43-7,184.85

Finding the Fourth Proportional to 21,975.05, 32,956.43 and 7,184.85

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Solution

The fourth proportional to 21,975.05, 32,956.43 and 7,184.85 is: 10,775.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,975.05 : 32,956.43 = 7,184.85 : x
  2. Step 2: Convert to fraction form
    21,975.05/32,956.43 = 7,184.85/x
  3. Step 3: Cross multiply
    21,975.05x = 32,956.43 × 7,184.85
  4. Step 4: Simplify right side
    21,975.05x = 236,786,970.16
  5. Step 5: Solve for x
    x = 236,786,970.16/21,975.05
  6. Step 6: Final answer
    x = 10,775.27

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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.