Home / 27,383.21-37,788.07-15,445.83

Finding the Fourth Proportional to 27,383.21, 37,788.07 and 15,445.83

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Solution

The fourth proportional to 27,383.21, 37,788.07 and 15,445.83 is: 21,314.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,383.21 : 37,788.07 = 15,445.83 : x
  2. Step 2: Convert to fraction form
    27,383.21/37,788.07 = 15,445.83/x
  3. Step 3: Cross multiply
    27,383.21x = 37,788.07 × 15,445.83
  4. Step 4: Simplify right side
    27,383.21x = 583,668,105.25
  5. Step 5: Solve for x
    x = 583,668,105.25/27,383.21
  6. Step 6: Final answer
    x = 21,314.82

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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.