Home / 17,921.64-26,882.50-4,773.99

Finding the Fourth Proportional to 17,921.64, 26,882.50 and 4,773.99

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Solution

The fourth proportional to 17,921.64, 26,882.50 and 4,773.99 is: 7,161.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.64 : 26,882.50 = 4,773.99 : x
  2. Step 2: Convert to fraction form
    17,921.64/26,882.50 = 4,773.99/x
  3. Step 3: Cross multiply
    17,921.64x = 26,882.50 × 4,773.99
  4. Step 4: Simplify right side
    17,921.64x = 128,336,786.18
  5. Step 5: Solve for x
    x = 128,336,786.18/17,921.64
  6. Step 6: Final answer
    x = 7,161.00

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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.