Home / 26,659.69-39,957.72-12,408.99

Finding the Fourth Proportional to 26,659.69, 39,957.72 and 12,408.99

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Solution

The fourth proportional to 26,659.69, 39,957.72 and 12,408.99 is: 18,598.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,659.69 : 39,957.72 = 12,408.99 : x
  2. Step 2: Convert to fraction form
    26,659.69/39,957.72 = 12,408.99/x
  3. Step 3: Cross multiply
    26,659.69x = 39,957.72 × 12,408.99
  4. Step 4: Simplify right side
    26,659.69x = 495,834,947.90
  5. Step 5: Solve for x
    x = 495,834,947.90/26,659.69
  6. Step 6: Final answer
    x = 18,598.68

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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.