Home / 27,887.20-41,835.98-9,168.28

Finding the Fourth Proportional to 27,887.20, 41,835.98 and 9,168.28

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Solution

The fourth proportional to 27,887.20, 41,835.98 and 9,168.28 is: 13,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887.20 : 41,835.98 = 9,168.28 : x
  2. Step 2: Convert to fraction form
    27,887.20/41,835.98 = 9,168.28/x
  3. Step 3: Cross multiply
    27,887.20x = 41,835.98 × 9,168.28
  4. Step 4: Simplify right side
    27,887.20x = 383,563,978.71
  5. Step 5: Solve for x
    x = 383,563,978.71/27,887.20
  6. Step 6: Final answer
    x = 13,754.12

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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.