Home / 27,821.01-38,392.94-15,074.54

Finding the Fourth Proportional to 27,821.01, 38,392.94 and 15,074.54

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Solution

The fourth proportional to 27,821.01, 38,392.94 and 15,074.54 is: 20,802.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,821.01 : 38,392.94 = 15,074.54 : x
  2. Step 2: Convert to fraction form
    27,821.01/38,392.94 = 15,074.54/x
  3. Step 3: Cross multiply
    27,821.01x = 38,392.94 × 15,074.54
  4. Step 4: Simplify right side
    27,821.01x = 578,755,976.62
  5. Step 5: Solve for x
    x = 578,755,976.62/27,821.01
  6. Step 6: Final answer
    x = 20,802.84

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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.