Home / 28,863.86-43,262.17-12,218.36

Finding the Fourth Proportional to 28,863.86, 43,262.17 and 12,218.36

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Solution

The fourth proportional to 28,863.86, 43,262.17 and 12,218.36 is: 18,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863.86 : 43,262.17 = 12,218.36 : x
  2. Step 2: Convert to fraction form
    28,863.86/43,262.17 = 12,218.36/x
  3. Step 3: Cross multiply
    28,863.86x = 43,262.17 × 12,218.36
  4. Step 4: Simplify right side
    28,863.86x = 528,592,520.58
  5. Step 5: Solve for x
    x = 528,592,520.58/28,863.86
  6. Step 6: Final answer
    x = 18,313.30

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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.