Home / 28,769.68-39,724.68-22,499.92

Finding the Fourth Proportional to 28,769.68, 39,724.68 and 22,499.92

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Solution

The fourth proportional to 28,769.68, 39,724.68 and 22,499.92 is: 31,067.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769.68 : 39,724.68 = 22,499.92 : x
  2. Step 2: Convert to fraction form
    28,769.68/39,724.68 = 22,499.92/x
  3. Step 3: Cross multiply
    28,769.68x = 39,724.68 × 22,499.92
  4. Step 4: Simplify right side
    28,769.68x = 893,802,122.03
  5. Step 5: Solve for x
    x = 893,802,122.03/28,769.68
  6. Step 6: Final answer
    x = 31,067.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.