Home / 26,321.05-39,488.07-18,545.05

Finding the Fourth Proportional to 26,321.05, 39,488.07 and 18,545.05

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Solution

The fourth proportional to 26,321.05, 39,488.07 and 18,545.05 is: 27,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,321.05 : 39,488.07 = 18,545.05 : x
  2. Step 2: Convert to fraction form
    26,321.05/39,488.07 = 18,545.05/x
  3. Step 3: Cross multiply
    26,321.05x = 39,488.07 × 18,545.05
  4. Step 4: Simplify right side
    26,321.05x = 732,308,232.55
  5. Step 5: Solve for x
    x = 732,308,232.55/26,321.05
  6. Step 6: Final answer
    x = 27,822.15

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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.