Home / 27,820.13-38,393.60-15,244.88

Finding the Fourth Proportional to 27,820.13, 38,393.60 and 15,244.88

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Solution

The fourth proportional to 27,820.13, 38,393.60 and 15,244.88 is: 21,038.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,820.13 : 38,393.60 = 15,244.88 : x
  2. Step 2: Convert to fraction form
    27,820.13/38,393.60 = 15,244.88/x
  3. Step 3: Cross multiply
    27,820.13x = 38,393.60 × 15,244.88
  4. Step 4: Simplify right side
    27,820.13x = 585,305,556.58
  5. Step 5: Solve for x
    x = 585,305,556.58/27,820.13
  6. Step 6: Final answer
    x = 21,038.93

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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.