Home / 21,359.22-32,036.39-5,775.63

Finding the Fourth Proportional to 21,359.22, 32,036.39 and 5,775.63

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Solution

The fourth proportional to 21,359.22, 32,036.39 and 5,775.63 is: 8,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359.22 : 32,036.39 = 5,775.63 : x
  2. Step 2: Convert to fraction form
    21,359.22/32,036.39 = 5,775.63/x
  3. Step 3: Cross multiply
    21,359.22x = 32,036.39 × 5,775.63
  4. Step 4: Simplify right side
    21,359.22x = 185,030,174.99
  5. Step 5: Solve for x
    x = 185,030,174.99/21,359.22
  6. Step 6: Final answer
    x = 8,662.78

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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.