Home / 27,645.18-41,459.27-7,918.44

Finding the Fourth Proportional to 27,645.18, 41,459.27 and 7,918.44

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Solution

The fourth proportional to 27,645.18, 41,459.27 and 7,918.44 is: 11,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,645.18 : 41,459.27 = 7,918.44 : x
  2. Step 2: Convert to fraction form
    27,645.18/41,459.27 = 7,918.44/x
  3. Step 3: Cross multiply
    27,645.18x = 41,459.27 × 7,918.44
  4. Step 4: Simplify right side
    27,645.18x = 328,292,702.35
  5. Step 5: Solve for x
    x = 328,292,702.35/27,645.18
  6. Step 6: Final answer
    x = 11,875.22

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1.5x scale

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.