Home / 28,774.80-39,706.38-16,027.53

Finding the Fourth Proportional to 28,774.80, 39,706.38 and 16,027.53

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Solution

The fourth proportional to 28,774.80, 39,706.38 and 16,027.53 is: 22,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774.80 : 39,706.38 = 16,027.53 : x
  2. Step 2: Convert to fraction form
    28,774.80/39,706.38 = 16,027.53/x
  3. Step 3: Cross multiply
    28,774.80x = 39,706.38 × 16,027.53
  4. Step 4: Simplify right side
    28,774.80x = 636,395,196.64
  5. Step 5: Solve for x
    x = 636,395,196.64/28,774.80
  6. Step 6: Final answer
    x = 22,116.41

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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.