Home / 28,377.78-42,565.02-10,849.38

Finding the Fourth Proportional to 28,377.78, 42,565.02 and 10,849.38

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Solution

The fourth proportional to 28,377.78, 42,565.02 and 10,849.38 is: 16,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,377.78 : 42,565.02 = 10,849.38 : x
  2. Step 2: Convert to fraction form
    28,377.78/42,565.02 = 10,849.38/x
  3. Step 3: Cross multiply
    28,377.78x = 42,565.02 × 10,849.38
  4. Step 4: Simplify right side
    28,377.78x = 461,804,076.69
  5. Step 5: Solve for x
    x = 461,804,076.69/28,377.78
  6. Step 6: Final answer
    x = 16,273.44

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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.