Home / 28,296.54-42,408.18-11,637.72

Finding the Fourth Proportional to 28,296.54, 42,408.18 and 11,637.72

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Solution

The fourth proportional to 28,296.54, 42,408.18 and 11,637.72 is: 17,441.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296.54 : 42,408.18 = 11,637.72 : x
  2. Step 2: Convert to fraction form
    28,296.54/42,408.18 = 11,637.72/x
  3. Step 3: Cross multiply
    28,296.54x = 42,408.18 × 11,637.72
  4. Step 4: Simplify right side
    28,296.54x = 493,534,524.55
  5. Step 5: Solve for x
    x = 493,534,524.55/28,296.54
  6. Step 6: Final answer
    x = 17,441.51

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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.