Home / 27,156.11-40,738.28-9,621.86

Finding the Fourth Proportional to 27,156.11, 40,738.28 and 9,621.86

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Solution

The fourth proportional to 27,156.11, 40,738.28 and 9,621.86 is: 14,434.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,156.11 : 40,738.28 = 9,621.86 : x
  2. Step 2: Convert to fraction form
    27,156.11/40,738.28 = 9,621.86/x
  3. Step 3: Cross multiply
    27,156.11x = 40,738.28 × 9,621.86
  4. Step 4: Simplify right side
    27,156.11x = 391,977,775.00
  5. Step 5: Solve for x
    x = 391,977,775.00/27,156.11
  6. Step 6: Final answer
    x = 14,434.24

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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.