Home / 28,107.34-42,166.41-12,524.92

Finding the Fourth Proportional to 28,107.34, 42,166.41 and 12,524.92

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Solution

The fourth proportional to 28,107.34, 42,166.41 and 12,524.92 is: 18,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,107.34 : 42,166.41 = 12,524.92 : x
  2. Step 2: Convert to fraction form
    28,107.34/42,166.41 = 12,524.92/x
  3. Step 3: Cross multiply
    28,107.34x = 42,166.41 × 12,524.92
  4. Step 4: Simplify right side
    28,107.34x = 528,130,911.94
  5. Step 5: Solve for x
    x = 528,130,911.94/28,107.34
  6. Step 6: Final answer
    x = 18,789.79

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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.