Home / 27,459.50-37,791.96-22,640.90

Finding the Fourth Proportional to 27,459.50, 37,791.96 and 22,640.90

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Solution

The fourth proportional to 27,459.50, 37,791.96 and 22,640.90 is: 31,160.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,459.50 : 37,791.96 = 22,640.90 : x
  2. Step 2: Convert to fraction form
    27,459.50/37,791.96 = 22,640.90/x
  3. Step 3: Cross multiply
    27,459.50x = 37,791.96 × 22,640.90
  4. Step 4: Simplify right side
    27,459.50x = 855,643,987.16
  5. Step 5: Solve for x
    x = 855,643,987.16/27,459.50
  6. Step 6: Final answer
    x = 31,160.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.