Home / 70,277.57-105,467.39-27,589.15

Finding the Fourth Proportional to 70,277.57, 105,467.39 and 27,589.15

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Solution

The fourth proportional to 70,277.57, 105,467.39 and 27,589.15 is: 41,403.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,277.57 : 105,467.39 = 27,589.15 : x
  2. Step 2: Convert to fraction form
    70,277.57/105,467.39 = 27,589.15/x
  3. Step 3: Cross multiply
    70,277.57x = 105,467.39 × 27,589.15
  4. Step 4: Simplify right side
    70,277.57x = 2,909,755,740.17
  5. Step 5: Solve for x
    x = 2,909,755,740.17/70,277.57
  6. Step 6: Final answer
    x = 41,403.76

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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.