Home / 27,685.86-41,522.58-7,960.02

Finding the Fourth Proportional to 27,685.86, 41,522.58 and 7,960.02

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Solution

The fourth proportional to 27,685.86, 41,522.58 and 7,960.02 is: 11,938.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,685.86 : 41,522.58 = 7,960.02 : x
  2. Step 2: Convert to fraction form
    27,685.86/41,522.58 = 7,960.02/x
  3. Step 3: Cross multiply
    27,685.86x = 41,522.58 × 7,960.02
  4. Step 4: Simplify right side
    27,685.86x = 330,520,567.25
  5. Step 5: Solve for x
    x = 330,520,567.25/27,685.86
  6. Step 6: Final answer
    x = 11,938.24

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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.