Home / 26,064.55-39,078.30-21,123.30

Finding the Fourth Proportional to 26,064.55, 39,078.30 and 21,123.30

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Solution

The fourth proportional to 26,064.55, 39,078.30 and 21,123.30 is: 31,669.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,064.55 : 39,078.30 = 21,123.30 : x
  2. Step 2: Convert to fraction form
    26,064.55/39,078.30 = 21,123.30/x
  3. Step 3: Cross multiply
    26,064.55x = 39,078.30 × 21,123.30
  4. Step 4: Simplify right side
    26,064.55x = 825,462,654.39
  5. Step 5: Solve for x
    x = 825,462,654.39/26,064.55
  6. Step 6: Final answer
    x = 31,669.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.