Home / 28,276.92-42,408.37-9,556.53

Finding the Fourth Proportional to 28,276.92, 42,408.37 and 9,556.53

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Solution

The fourth proportional to 28,276.92, 42,408.37 and 9,556.53 is: 14,332.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,276.92 : 42,408.37 = 9,556.53 : x
  2. Step 2: Convert to fraction form
    28,276.92/42,408.37 = 9,556.53/x
  3. Step 3: Cross multiply
    28,276.92x = 42,408.37 × 9,556.53
  4. Step 4: Simplify right side
    28,276.92x = 405,276,860.16
  5. Step 5: Solve for x
    x = 405,276,860.16/28,276.92
  6. Step 6: Final answer
    x = 14,332.43

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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.