Home / 27,797.22-38,356.65-22,146.30

Finding the Fourth Proportional to 27,797.22, 38,356.65 and 22,146.30

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Solution

The fourth proportional to 27,797.22, 38,356.65 and 22,146.30 is: 30,559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,797.22 : 38,356.65 = 22,146.30 : x
  2. Step 2: Convert to fraction form
    27,797.22/38,356.65 = 22,146.30/x
  3. Step 3: Cross multiply
    27,797.22x = 38,356.65 × 22,146.30
  4. Step 4: Simplify right side
    27,797.22x = 849,457,877.90
  5. Step 5: Solve for x
    x = 849,457,877.90/27,797.22
  6. Step 6: Final answer
    x = 30,559.09

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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.