Home / 27,854.08-41,779.20-9,135.36

Finding the Fourth Proportional to 27,854.08, 41,779.20 and 9,135.36

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Solution

The fourth proportional to 27,854.08, 41,779.20 and 9,135.36 is: 13,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,854.08 : 41,779.20 = 9,135.36 : x
  2. Step 2: Convert to fraction form
    27,854.08/41,779.20 = 9,135.36/x
  3. Step 3: Cross multiply
    27,854.08x = 41,779.20 × 9,135.36
  4. Step 4: Simplify right side
    27,854.08x = 381,668,032.51
  5. Step 5: Solve for x
    x = 381,668,032.51/27,854.08
  6. Step 6: Final answer
    x = 13,702.41

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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.