Home / 27,131.86-40,703.64-8,411.52

Finding the Fourth Proportional to 27,131.86, 40,703.64 and 8,411.52

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Solution

The fourth proportional to 27,131.86, 40,703.64 and 8,411.52 is: 12,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131.86 : 40,703.64 = 8,411.52 : x
  2. Step 2: Convert to fraction form
    27,131.86/40,703.64 = 8,411.52/x
  3. Step 3: Cross multiply
    27,131.86x = 40,703.64 × 8,411.52
  4. Step 4: Simplify right side
    27,131.86x = 342,379,512.21
  5. Step 5: Solve for x
    x = 342,379,512.21/27,131.86
  6. Step 6: Final answer
    x = 12,619.09

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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.