Home / 27,778.89-38,304.32-17,696.01

Finding the Fourth Proportional to 27,778.89, 38,304.32 and 17,696.01

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Solution

The fourth proportional to 27,778.89, 38,304.32 and 17,696.01 is: 24,401.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,778.89 : 38,304.32 = 17,696.01 : x
  2. Step 2: Convert to fraction form
    27,778.89/38,304.32 = 17,696.01/x
  3. Step 3: Cross multiply
    27,778.89x = 38,304.32 × 17,696.01
  4. Step 4: Simplify right side
    27,778.89x = 677,833,541.28
  5. Step 5: Solve for x
    x = 677,833,541.28/27,778.89
  6. Step 6: Final answer
    x = 24,401.03

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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.