Home / 27,240.96-40,860.60-7,520.72

Finding the Fourth Proportional to 27,240.96, 40,860.60 and 7,520.72

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Solution

The fourth proportional to 27,240.96, 40,860.60 and 7,520.72 is: 11,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,240.96 : 40,860.60 = 7,520.72 : x
  2. Step 2: Convert to fraction form
    27,240.96/40,860.60 = 7,520.72/x
  3. Step 3: Cross multiply
    27,240.96x = 40,860.60 × 7,520.72
  4. Step 4: Simplify right side
    27,240.96x = 307,301,131.63
  5. Step 5: Solve for x
    x = 307,301,131.63/27,240.96
  6. Step 6: Final answer
    x = 11,280.85

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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.