Home / 27,617.36-41,421.76-15,143.54

Finding the Fourth Proportional to 27,617.36, 41,421.76 and 15,143.54

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Solution

The fourth proportional to 27,617.36, 41,421.76 and 15,143.54 is: 22,712.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,617.36 : 41,421.76 = 15,143.54 : x
  2. Step 2: Convert to fraction form
    27,617.36/41,421.76 = 15,143.54/x
  3. Step 3: Cross multiply
    27,617.36x = 41,421.76 × 15,143.54
  4. Step 4: Simplify right side
    27,617.36x = 627,271,834.46
  5. Step 5: Solve for x
    x = 627,271,834.46/27,617.36
  6. Step 6: Final answer
    x = 22,712.96

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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.