Home / 28,588.64-39,422.58-22,610.84

Finding the Fourth Proportional to 28,588.64, 39,422.58 and 22,610.84

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Solution

The fourth proportional to 28,588.64, 39,422.58 and 22,610.84 is: 31,179.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,588.64 : 39,422.58 = 22,610.84 : x
  2. Step 2: Convert to fraction form
    28,588.64/39,422.58 = 22,610.84/x
  3. Step 3: Cross multiply
    28,588.64x = 39,422.58 × 22,610.84
  4. Step 4: Simplify right side
    28,588.64x = 891,377,648.77
  5. Step 5: Solve for x
    x = 891,377,648.77/28,588.64
  6. Step 6: Final answer
    x = 31,179.44

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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.