Home / 27,699.57-38,220.33-16,370.91

Finding the Fourth Proportional to 27,699.57, 38,220.33 and 16,370.91

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Solution

The fourth proportional to 27,699.57, 38,220.33 and 16,370.91 is: 22,588.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699.57 : 38,220.33 = 16,370.91 : x
  2. Step 2: Convert to fraction form
    27,699.57/38,220.33 = 16,370.91/x
  3. Step 3: Cross multiply
    27,699.57x = 38,220.33 × 16,370.91
  4. Step 4: Simplify right side
    27,699.57x = 625,701,582.60
  5. Step 5: Solve for x
    x = 625,701,582.60/27,699.57
  6. Step 6: Final answer
    x = 22,588.86

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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.