Home / 27,608.20-41,412.66-7,887.40

Finding the Fourth Proportional to 27,608.20, 41,412.66 and 7,887.40

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Solution

The fourth proportional to 27,608.20, 41,412.66 and 7,887.40 is: 11,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,608.20 : 41,412.66 = 7,887.40 : x
  2. Step 2: Convert to fraction form
    27,608.20/41,412.66 = 7,887.40/x
  3. Step 3: Cross multiply
    27,608.20x = 41,412.66 × 7,887.40
  4. Step 4: Simplify right side
    27,608.20x = 326,638,214.48
  5. Step 5: Solve for x
    x = 326,638,214.48/27,608.20
  6. Step 6: Final answer
    x = 11,831.20

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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.