Home / 21,711.20-32,566.79-5,295.20

Finding the Fourth Proportional to 21,711.20, 32,566.79 and 5,295.20

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Solution

The fourth proportional to 21,711.20, 32,566.79 and 5,295.20 is: 7,942.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,711.20 : 32,566.79 = 5,295.20 : x
  2. Step 2: Convert to fraction form
    21,711.20/32,566.79 = 5,295.20/x
  3. Step 3: Cross multiply
    21,711.20x = 32,566.79 × 5,295.20
  4. Step 4: Simplify right side
    21,711.20x = 172,447,477.10
  5. Step 5: Solve for x
    x = 172,447,477.10/21,711.20
  6. Step 6: Final answer
    x = 7,942.79

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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.