Home / 17,985.37-26,977.06-5,505.38

Finding the Fourth Proportional to 17,985.37, 26,977.06 and 5,505.38

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Solution

The fourth proportional to 17,985.37, 26,977.06 and 5,505.38 is: 8,257.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.37 : 26,977.06 = 5,505.38 : x
  2. Step 2: Convert to fraction form
    17,985.37/26,977.06 = 5,505.38/x
  3. Step 3: Cross multiply
    17,985.37x = 26,977.06 × 5,505.38
  4. Step 4: Simplify right side
    17,985.37x = 148,518,899.14
  5. Step 5: Solve for x
    x = 148,518,899.14/17,985.37
  6. Step 6: Final answer
    x = 8,257.76

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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.