Home / 27,540.78-41,292.63-16,455.21

Finding the Fourth Proportional to 27,540.78, 41,292.63 and 16,455.21

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Solution

The fourth proportional to 27,540.78, 41,292.63 and 16,455.21 is: 24,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,540.78 : 41,292.63 = 16,455.21 : x
  2. Step 2: Convert to fraction form
    27,540.78/41,292.63 = 16,455.21/x
  3. Step 3: Cross multiply
    27,540.78x = 41,292.63 × 16,455.21
  4. Step 4: Simplify right side
    27,540.78x = 679,478,898.10
  5. Step 5: Solve for x
    x = 679,478,898.10/27,540.78
  6. Step 6: Final answer
    x = 24,671.74

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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.