Home / 21,652.80-32,476.32-9,177.72

Finding the Fourth Proportional to 21,652.80, 32,476.32 and 9,177.72

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Solution

The fourth proportional to 21,652.80, 32,476.32 and 9,177.72 is: 13,765.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652.80 : 32,476.32 = 9,177.72 : x
  2. Step 2: Convert to fraction form
    21,652.80/32,476.32 = 9,177.72/x
  3. Step 3: Cross multiply
    21,652.80x = 32,476.32 × 9,177.72
  4. Step 4: Simplify right side
    21,652.80x = 298,058,571.59
  5. Step 5: Solve for x
    x = 298,058,571.59/21,652.80
  6. Step 6: Final answer
    x = 13,765.36

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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.