Home / 27,819.60-38,391.03-15,244.26

Finding the Fourth Proportional to 27,819.60, 38,391.03 and 15,244.26

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Solution

The fourth proportional to 27,819.60, 38,391.03 and 15,244.26 is: 21,037.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,819.60 : 38,391.03 = 15,244.26 : x
  2. Step 2: Convert to fraction form
    27,819.60/38,391.03 = 15,244.26/x
  3. Step 3: Cross multiply
    27,819.60x = 38,391.03 × 15,244.26
  4. Step 4: Simplify right side
    27,819.60x = 585,242,842.99
  5. Step 5: Solve for x
    x = 585,242,842.99/27,819.60
  6. Step 6: Final answer
    x = 21,037.07

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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.