Home / 21,338.52-32,009.76-5,543.52

Finding the Fourth Proportional to 21,338.52, 32,009.76 and 5,543.52

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Solution

The fourth proportional to 21,338.52, 32,009.76 and 5,543.52 is: 8,315.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,338.52 : 32,009.76 = 5,543.52 : x
  2. Step 2: Convert to fraction form
    21,338.52/32,009.76 = 5,543.52/x
  3. Step 3: Cross multiply
    21,338.52x = 32,009.76 × 5,543.52
  4. Step 4: Simplify right side
    21,338.52x = 177,446,744.76
  5. Step 5: Solve for x
    x = 177,446,744.76/21,338.52
  6. Step 6: Final answer
    x = 8,315.79

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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.