Home / 22,669.96-31,271.90-21,066.36

Finding the Fourth Proportional to 22,669.96, 31,271.90 and 21,066.36

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Solution

The fourth proportional to 22,669.96, 31,271.90 and 21,066.36 is: 29,059.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,669.96 : 31,271.90 = 21,066.36 : x
  2. Step 2: Convert to fraction form
    22,669.96/31,271.90 = 21,066.36/x
  3. Step 3: Cross multiply
    22,669.96x = 31,271.90 × 21,066.36
  4. Step 4: Simplify right side
    22,669.96x = 658,785,103.28
  5. Step 5: Solve for x
    x = 658,785,103.28/22,669.96
  6. Step 6: Final answer
    x = 29,059.83

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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.