Home / 28,272.58-42,408.86-9,552.66

Finding the Fourth Proportional to 28,272.58, 42,408.86 and 9,552.66

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Solution

The fourth proportional to 28,272.58, 42,408.86 and 9,552.66 is: 14,328.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,272.58 : 42,408.86 = 9,552.66 : x
  2. Step 2: Convert to fraction form
    28,272.58/42,408.86 = 9,552.66/x
  3. Step 3: Cross multiply
    28,272.58x = 42,408.86 × 9,552.66
  4. Step 4: Simplify right side
    28,272.58x = 405,117,420.57
  5. Step 5: Solve for x
    x = 405,117,420.57/28,272.58
  6. Step 6: Final answer
    x = 14,328.99

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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.