Home / 27,640.48-38,166.36-22,536.84

Finding the Fourth Proportional to 27,640.48, 38,166.36 and 22,536.84

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Solution

The fourth proportional to 27,640.48, 38,166.36 and 22,536.84 is: 31,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,640.48 : 38,166.36 = 22,536.84 : x
  2. Step 2: Convert to fraction form
    27,640.48/38,166.36 = 22,536.84/x
  3. Step 3: Cross multiply
    27,640.48x = 38,166.36 × 22,536.84
  4. Step 4: Simplify right side
    27,640.48x = 860,149,148.70
  5. Step 5: Solve for x
    x = 860,149,148.70/27,640.48
  6. Step 6: Final answer
    x = 31,119.18

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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.