Home / 28,722.06-39,666.66-25,591.20

Finding the Fourth Proportional to 28,722.06, 39,666.66 and 25,591.20

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Solution

The fourth proportional to 28,722.06, 39,666.66 and 25,591.20 is: 35,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722.06 : 39,666.66 = 25,591.20 : x
  2. Step 2: Convert to fraction form
    28,722.06/39,666.66 = 25,591.20/x
  3. Step 3: Cross multiply
    28,722.06x = 39,666.66 × 25,591.20
  4. Step 4: Simplify right side
    28,722.06x = 1,015,117,429.39
  5. Step 5: Solve for x
    x = 1,015,117,429.39/28,722.06
  6. Step 6: Final answer
    x = 35,342.78

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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.