Home / 27,788.48-38,348.14-15,041.68

Finding the Fourth Proportional to 27,788.48, 38,348.14 and 15,041.68

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Solution

The fourth proportional to 27,788.48, 38,348.14 and 15,041.68 is: 20,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,788.48 : 38,348.14 = 15,041.68 : x
  2. Step 2: Convert to fraction form
    27,788.48/38,348.14 = 15,041.68/x
  3. Step 3: Cross multiply
    27,788.48x = 38,348.14 × 15,041.68
  4. Step 4: Simplify right side
    27,788.48x = 576,820,450.48
  5. Step 5: Solve for x
    x = 576,820,450.48/27,788.48
  6. Step 6: Final answer
    x = 20,757.54

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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.