Home / 42,356.39-63,454.39-28,273.95

Finding the Fourth Proportional to 42,356.39, 63,454.39 and 28,273.95

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Solution

The fourth proportional to 42,356.39, 63,454.39 and 28,273.95 is: 42,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,356.39 : 63,454.39 = 28,273.95 : x
  2. Step 2: Convert to fraction form
    42,356.39/63,454.39 = 28,273.95/x
  3. Step 3: Cross multiply
    42,356.39x = 63,454.39 × 28,273.95
  4. Step 4: Simplify right side
    42,356.39x = 1,794,106,179.46
  5. Step 5: Solve for x
    x = 1,794,106,179.46/42,356.39
  6. Step 6: Final answer
    x = 42,357.40

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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.