Home / 26,021.52-39,028.23-8,487.45

Finding the Fourth Proportional to 26,021.52, 39,028.23 and 8,487.45

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Solution

The fourth proportional to 26,021.52, 39,028.23 and 8,487.45 is: 12,729.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,021.52 : 39,028.23 = 8,487.45 : x
  2. Step 2: Convert to fraction form
    26,021.52/39,028.23 = 8,487.45/x
  3. Step 3: Cross multiply
    26,021.52x = 39,028.23 × 8,487.45
  4. Step 4: Simplify right side
    26,021.52x = 331,250,150.71
  5. Step 5: Solve for x
    x = 331,250,150.71/26,021.52
  6. Step 6: Final answer
    x = 12,729.85

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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.