Home / 17,927.72-26,891.67-4,780.05

Finding the Fourth Proportional to 17,927.72, 26,891.67 and 4,780.05

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Solution

The fourth proportional to 17,927.72, 26,891.67 and 4,780.05 is: 7,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,927.72 : 26,891.67 = 4,780.05 : x
  2. Step 2: Convert to fraction form
    17,927.72/26,891.67 = 4,780.05/x
  3. Step 3: Cross multiply
    17,927.72x = 26,891.67 × 4,780.05
  4. Step 4: Simplify right side
    17,927.72x = 128,543,527.18
  5. Step 5: Solve for x
    x = 128,543,527.18/17,927.72
  6. Step 6: Final answer
    x = 7,170.10

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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.