Home / 84,844.10-127,280.55-25,679.30

Finding the Fourth Proportional to 84,844.10, 127,280.55 and 25,679.30

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Solution

The fourth proportional to 84,844.10, 127,280.55 and 25,679.30 is: 38,523.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,844.10 : 127,280.55 = 25,679.30 : x
  2. Step 2: Convert to fraction form
    84,844.10/127,280.55 = 25,679.30/x
  3. Step 3: Cross multiply
    84,844.10x = 127,280.55 × 25,679.30
  4. Step 4: Simplify right side
    84,844.10x = 3,268,475,427.62
  5. Step 5: Solve for x
    x = 3,268,475,427.62/84,844.10
  6. Step 6: Final answer
    x = 38,523.31

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1.5x scale

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.