Home / 28,276.26-42,408.91-8,550.19

Finding the Fourth Proportional to 28,276.26, 42,408.91 and 8,550.19

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Solution

The fourth proportional to 28,276.26, 42,408.91 and 8,550.19 is: 12,823.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,276.26 : 42,408.91 = 8,550.19 : x
  2. Step 2: Convert to fraction form
    28,276.26/42,408.91 = 8,550.19/x
  3. Step 3: Cross multiply
    28,276.26x = 42,408.91 × 8,550.19
  4. Step 4: Simplify right side
    28,276.26x = 362,604,238.19
  5. Step 5: Solve for x
    x = 362,604,238.19/28,276.26
  6. Step 6: Final answer
    x = 12,823.63

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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.