Home / 27,984.18-38,611.17-22,669.02

Finding the Fourth Proportional to 27,984.18, 38,611.17 and 22,669.02

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Solution

The fourth proportional to 27,984.18, 38,611.17 and 22,669.02 is: 31,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,984.18 : 38,611.17 = 22,669.02 : x
  2. Step 2: Convert to fraction form
    27,984.18/38,611.17 = 22,669.02/x
  3. Step 3: Cross multiply
    27,984.18x = 38,611.17 × 22,669.02
  4. Step 4: Simplify right side
    27,984.18x = 875,277,384.95
  5. Step 5: Solve for x
    x = 875,277,384.95/27,984.18
  6. Step 6: Final answer
    x = 31,277.58

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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.