Home / 28,788.18-43,182.36-8,011.68

Finding the Fourth Proportional to 28,788.18, 43,182.36 and 8,011.68

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Solution

The fourth proportional to 28,788.18, 43,182.36 and 8,011.68 is: 12,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788.18 : 43,182.36 = 8,011.68 : x
  2. Step 2: Convert to fraction form
    28,788.18/43,182.36 = 8,011.68/x
  3. Step 3: Cross multiply
    28,788.18x = 43,182.36 × 8,011.68
  4. Step 4: Simplify right side
    28,788.18x = 345,963,249.96
  5. Step 5: Solve for x
    x = 345,963,249.96/28,788.18
  6. Step 6: Final answer
    x = 12,017.55

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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.