Home / 39,408.70-54,323.67-28,044.22

Finding the Fourth Proportional to 39,408.70, 54,323.67 and 28,044.22

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Solution

The fourth proportional to 39,408.70, 54,323.67 and 28,044.22 is: 38,658.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,408.70 : 54,323.67 = 28,044.22 : x
  2. Step 2: Convert to fraction form
    39,408.70/54,323.67 = 28,044.22/x
  3. Step 3: Cross multiply
    39,408.70x = 54,323.67 × 28,044.22
  4. Step 4: Simplify right side
    39,408.70x = 1,523,464,952.69
  5. Step 5: Solve for x
    x = 1,523,464,952.69/39,408.70
  6. Step 6: Final answer
    x = 38,658.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.