Home / 22,800.68-31,395.27-20,662.29

Finding the Fourth Proportional to 22,800.68, 31,395.27 and 20,662.29

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Solution

The fourth proportional to 22,800.68, 31,395.27 and 20,662.29 is: 28,450.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,800.68 : 31,395.27 = 20,662.29 : x
  2. Step 2: Convert to fraction form
    22,800.68/31,395.27 = 20,662.29/x
  3. Step 3: Cross multiply
    22,800.68x = 31,395.27 × 20,662.29
  4. Step 4: Simplify right side
    22,800.68x = 648,698,192.74
  5. Step 5: Solve for x
    x = 648,698,192.74/22,800.68
  6. Step 6: Final answer
    x = 28,450.83

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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.