Home / 28,936.18-39,931.41-16,360.66

Finding the Fourth Proportional to 28,936.18, 39,931.41 and 16,360.66

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Solution

The fourth proportional to 28,936.18, 39,931.41 and 16,360.66 is: 22,577.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.18 : 39,931.41 = 16,360.66 : x
  2. Step 2: Convert to fraction form
    28,936.18/39,931.41 = 16,360.66/x
  3. Step 3: Cross multiply
    28,936.18x = 39,931.41 × 16,360.66
  4. Step 4: Simplify right side
    28,936.18x = 653,304,222.33
  5. Step 5: Solve for x
    x = 653,304,222.33/28,936.18
  6. Step 6: Final answer
    x = 22,577.42

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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.