Home / 22,318.27-30,760.85-21,267.23

Finding the Fourth Proportional to 22,318.27, 30,760.85 and 21,267.23

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Solution

The fourth proportional to 22,318.27, 30,760.85 and 21,267.23 is: 29,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,318.27 : 30,760.85 = 21,267.23 : x
  2. Step 2: Convert to fraction form
    22,318.27/30,760.85 = 21,267.23/x
  3. Step 3: Cross multiply
    22,318.27x = 30,760.85 × 21,267.23
  4. Step 4: Simplify right side
    22,318.27x = 654,197,971.31
  5. Step 5: Solve for x
    x = 654,197,971.31/22,318.27
  6. Step 6: Final answer
    x = 29,312.22

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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.