Home / 21,577.35-32,305.16-11,422.72

Finding the Fourth Proportional to 21,577.35, 32,305.16 and 11,422.72

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Solution

The fourth proportional to 21,577.35, 32,305.16 and 11,422.72 is: 17,101.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,577.35 : 32,305.16 = 11,422.72 : x
  2. Step 2: Convert to fraction form
    21,577.35/32,305.16 = 11,422.72/x
  3. Step 3: Cross multiply
    21,577.35x = 32,305.16 × 11,422.72
  4. Step 4: Simplify right side
    21,577.35x = 369,012,866.17
  5. Step 5: Solve for x
    x = 369,012,866.17/21,577.35
  6. Step 6: Final answer
    x = 17,101.86

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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.