Home / 28,699.97-42,896.07-25,882.38

Finding the Fourth Proportional to 28,699.97, 42,896.07 and 25,882.38

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Solution

The fourth proportional to 28,699.97, 42,896.07 and 25,882.38 is: 38,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,699.97 : 42,896.07 = 25,882.38 : x
  2. Step 2: Convert to fraction form
    28,699.97/42,896.07 = 25,882.38/x
  3. Step 3: Cross multiply
    28,699.97x = 42,896.07 × 25,882.38
  4. Step 4: Simplify right side
    28,699.97x = 1,110,252,384.25
  5. Step 5: Solve for x
    x = 1,110,252,384.25/28,699.97
  6. Step 6: Final answer
    x = 38,684.80

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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.