Home / 21,708.96-32,726.13-20,262.27

Finding the Fourth Proportional to 21,708.96, 32,726.13 and 20,262.27

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Solution

The fourth proportional to 21,708.96, 32,726.13 and 20,262.27 is: 30,545.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708.96 : 32,726.13 = 20,262.27 : x
  2. Step 2: Convert to fraction form
    21,708.96/32,726.13 = 20,262.27/x
  3. Step 3: Cross multiply
    21,708.96x = 32,726.13 × 20,262.27
  4. Step 4: Simplify right side
    21,708.96x = 663,105,682.12
  5. Step 5: Solve for x
    x = 663,105,682.12/21,708.96
  6. Step 6: Final answer
    x = 30,545.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.