Home / 27,821.17-38,393.33-15,074.38

Finding the Fourth Proportional to 27,821.17, 38,393.33 and 15,074.38

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Solution

The fourth proportional to 27,821.17, 38,393.33 and 15,074.38 is: 20,802.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,821.17 : 38,393.33 = 15,074.38 : x
  2. Step 2: Convert to fraction form
    27,821.17/38,393.33 = 15,074.38/x
  3. Step 3: Cross multiply
    27,821.17x = 38,393.33 × 15,074.38
  4. Step 4: Simplify right side
    27,821.17x = 578,755,645.89
  5. Step 5: Solve for x
    x = 578,755,645.89/27,821.17
  6. Step 6: Final answer
    x = 20,802.71

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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.