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Finding the Fourth Proportional to 27,657.60, 41,409.60 and 26,889.60

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Solution

The fourth proportional to 27,657.60, 41,409.60 and 26,889.60 is: 40,259.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,657.60 : 41,409.60 = 26,889.60 : x
  2. Step 2: Convert to fraction form
    27,657.60/41,409.60 = 26,889.60/x
  3. Step 3: Cross multiply
    27,657.60x = 41,409.60 × 26,889.60
  4. Step 4: Simplify right side
    27,657.60x = 1,113,487,580.16
  5. Step 5: Solve for x
    x = 1,113,487,580.16/27,657.60
  6. Step 6: Final answer
    x = 40,259.73

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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.