Home / 28,216.87-42,076.64-27,963.91

Finding the Fourth Proportional to 28,216.87, 42,076.64 and 27,963.91

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Solution

The fourth proportional to 28,216.87, 42,076.64 and 27,963.91 is: 41,699.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,216.87 : 42,076.64 = 27,963.91 : x
  2. Step 2: Convert to fraction form
    28,216.87/42,076.64 = 27,963.91/x
  3. Step 3: Cross multiply
    28,216.87x = 42,076.64 × 27,963.91
  4. Step 4: Simplify right side
    28,216.87x = 1,176,627,374.06
  5. Step 5: Solve for x
    x = 1,176,627,374.06/28,216.87
  6. Step 6: Final answer
    x = 41,699.43

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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.