Home / 27,960.08-41,981.43-18,658.04

Finding the Fourth Proportional to 27,960.08, 41,981.43 and 18,658.04

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Solution

The fourth proportional to 27,960.08, 41,981.43 and 18,658.04 is: 28,014.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960.08 : 41,981.43 = 18,658.04 : x
  2. Step 2: Convert to fraction form
    27,960.08/41,981.43 = 18,658.04/x
  3. Step 3: Cross multiply
    27,960.08x = 41,981.43 × 18,658.04
  4. Step 4: Simplify right side
    27,960.08x = 783,291,200.20
  5. Step 5: Solve for x
    x = 783,291,200.20/27,960.08
  6. Step 6: Final answer
    x = 28,014.63

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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.