Home / 21,726.42-32,604.24-7,686.39

Finding the Fourth Proportional to 21,726.42, 32,604.24 and 7,686.39

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Solution

The fourth proportional to 21,726.42, 32,604.24 and 7,686.39 is: 11,534.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726.42 : 32,604.24 = 7,686.39 : x
  2. Step 2: Convert to fraction form
    21,726.42/32,604.24 = 7,686.39/x
  3. Step 3: Cross multiply
    21,726.42x = 32,604.24 × 7,686.39
  4. Step 4: Simplify right side
    21,726.42x = 250,609,028.36
  5. Step 5: Solve for x
    x = 250,609,028.36/21,726.42
  6. Step 6: Final answer
    x = 11,534.76

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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.