Home / 26,123.80-39,177.78-7,402.36

Finding the Fourth Proportional to 26,123.80, 39,177.78 and 7,402.36

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Solution

The fourth proportional to 26,123.80, 39,177.78 and 7,402.36 is: 11,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,123.80 : 39,177.78 = 7,402.36 : x
  2. Step 2: Convert to fraction form
    26,123.80/39,177.78 = 7,402.36/x
  3. Step 3: Cross multiply
    26,123.80x = 39,177.78 × 7,402.36
  4. Step 4: Simplify right side
    26,123.80x = 290,008,031.56
  5. Step 5: Solve for x
    x = 290,008,031.56/26,123.80
  6. Step 6: Final answer
    x = 11,101.30

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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.