Home / 22,676.38-31,291.23-21,004.54

Finding the Fourth Proportional to 22,676.38, 31,291.23 and 21,004.54

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Solution

The fourth proportional to 22,676.38, 31,291.23 and 21,004.54 is: 28,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,676.38 : 31,291.23 = 21,004.54 : x
  2. Step 2: Convert to fraction form
    22,676.38/31,291.23 = 21,004.54/x
  3. Step 3: Cross multiply
    22,676.38x = 31,291.23 × 21,004.54
  4. Step 4: Simplify right side
    22,676.38x = 657,257,892.18
  5. Step 5: Solve for x
    x = 657,257,892.18/22,676.38
  6. Step 6: Final answer
    x = 28,984.25

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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.