Home / 27,010.78-40,520.22-9,477.52

Finding the Fourth Proportional to 27,010.78, 40,520.22 and 9,477.52

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Solution

The fourth proportional to 27,010.78, 40,520.22 and 9,477.52 is: 14,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,010.78 : 40,520.22 = 9,477.52 : x
  2. Step 2: Convert to fraction form
    27,010.78/40,520.22 = 9,477.52/x
  3. Step 3: Cross multiply
    27,010.78x = 40,520.22 × 9,477.52
  4. Step 4: Simplify right side
    27,010.78x = 384,031,195.45
  5. Step 5: Solve for x
    x = 384,031,195.45/27,010.78
  6. Step 6: Final answer
    x = 14,217.70

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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.