Home / 27,420.60-41,135.22-9,894.72

Finding the Fourth Proportional to 27,420.60, 41,135.22 and 9,894.72

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Solution

The fourth proportional to 27,420.60, 41,135.22 and 9,894.72 is: 14,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.60 : 41,135.22 = 9,894.72 : x
  2. Step 2: Convert to fraction form
    27,420.60/41,135.22 = 9,894.72/x
  3. Step 3: Cross multiply
    27,420.60x = 41,135.22 × 9,894.72
  4. Step 4: Simplify right side
    27,420.60x = 407,021,484.04
  5. Step 5: Solve for x
    x = 407,021,484.04/27,420.60
  6. Step 6: Final answer
    x = 14,843.64

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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.