Home / 27,211.48-40,778.27-15,500.50

Finding the Fourth Proportional to 27,211.48, 40,778.27 and 15,500.50

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Solution

The fourth proportional to 27,211.48, 40,778.27 and 15,500.50 is: 23,228.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,211.48 : 40,778.27 = 15,500.50 : x
  2. Step 2: Convert to fraction form
    27,211.48/40,778.27 = 15,500.50/x
  3. Step 3: Cross multiply
    27,211.48x = 40,778.27 × 15,500.50
  4. Step 4: Simplify right side
    27,211.48x = 632,083,370.24
  5. Step 5: Solve for x
    x = 632,083,370.24/27,211.48
  6. Step 6: Final answer
    x = 23,228.56

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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.