Home / 28,894.97-39,848.37-22,180.88

Finding the Fourth Proportional to 28,894.97, 39,848.37 and 22,180.88

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Solution

The fourth proportional to 28,894.97, 39,848.37 and 22,180.88 is: 30,589.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,894.97 : 39,848.37 = 22,180.88 : x
  2. Step 2: Convert to fraction form
    28,894.97/39,848.37 = 22,180.88/x
  3. Step 3: Cross multiply
    28,894.97x = 39,848.37 × 22,180.88
  4. Step 4: Simplify right side
    28,894.97x = 883,871,913.17
  5. Step 5: Solve for x
    x = 883,871,913.17/28,894.97
  6. Step 6: Final answer
    x = 30,589.13

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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.