Home / 17,927.24-26,890.85-4,779.65

Finding the Fourth Proportional to 17,927.24, 26,890.85 and 4,779.65

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Solution

The fourth proportional to 17,927.24, 26,890.85 and 4,779.65 is: 7,169.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,927.24 : 26,890.85 = 4,779.65 : x
  2. Step 2: Convert to fraction form
    17,927.24/26,890.85 = 4,779.65/x
  3. Step 3: Cross multiply
    17,927.24x = 26,890.85 × 4,779.65
  4. Step 4: Simplify right side
    17,927.24x = 128,528,930.38
  5. Step 5: Solve for x
    x = 128,528,930.38/17,927.24
  6. Step 6: Final answer
    x = 7,169.48

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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.