Home / 28,474.71-42,419.73-27,195.33

Finding the Fourth Proportional to 28,474.71, 42,419.73 and 27,195.33

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Solution

The fourth proportional to 28,474.71, 42,419.73 and 27,195.33 is: 40,513.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,474.71 : 42,419.73 = 27,195.33 : x
  2. Step 2: Convert to fraction form
    28,474.71/42,419.73 = 27,195.33/x
  3. Step 3: Cross multiply
    28,474.71x = 42,419.73 × 27,195.33
  4. Step 4: Simplify right side
    28,474.71x = 1,153,618,555.86
  5. Step 5: Solve for x
    x = 1,153,618,555.86/28,474.71
  6. Step 6: Final answer
    x = 40,513.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.