Home / 84,853.20-127,247.40-25,669.20

Finding the Fourth Proportional to 84,853.20, 127,247.40 and 25,669.20

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Solution

The fourth proportional to 84,853.20, 127,247.40 and 25,669.20 is: 38,494.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,853.20 : 127,247.40 = 25,669.20 : x
  2. Step 2: Convert to fraction form
    84,853.20/127,247.40 = 25,669.20/x
  3. Step 3: Cross multiply
    84,853.20x = 127,247.40 × 25,669.20
  4. Step 4: Simplify right side
    84,853.20x = 3,266,338,960.08
  5. Step 5: Solve for x
    x = 3,266,338,960.08/84,853.20
  6. Step 6: Final answer
    x = 38,494.00

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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.