Home / 28,747.79-43,121.87-10,027.74

Finding the Fourth Proportional to 28,747.79, 43,121.87 and 10,027.74

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Solution

The fourth proportional to 28,747.79, 43,121.87 and 10,027.74 is: 15,041.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747.79 : 43,121.87 = 10,027.74 : x
  2. Step 2: Convert to fraction form
    28,747.79/43,121.87 = 10,027.74/x
  3. Step 3: Cross multiply
    28,747.79x = 43,121.87 × 10,027.74
  4. Step 4: Simplify right side
    28,747.79x = 432,415,049.85
  5. Step 5: Solve for x
    x = 432,415,049.85/28,747.79
  6. Step 6: Final answer
    x = 15,041.68

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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.