Home / 21,727.22-29,973.51-15,022.17

Finding the Fourth Proportional to 21,727.22, 29,973.51 and 15,022.17

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Solution

The fourth proportional to 21,727.22, 29,973.51 and 15,022.17 is: 20,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,727.22 : 29,973.51 = 15,022.17 : x
  2. Step 2: Convert to fraction form
    21,727.22/29,973.51 = 15,022.17/x
  3. Step 3: Cross multiply
    21,727.22x = 29,973.51 × 15,022.17
  4. Step 4: Simplify right side
    21,727.22x = 450,267,162.72
  5. Step 5: Solve for x
    x = 450,267,162.72/21,727.22
  6. Step 6: Final answer
    x = 20,723.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.