Home / 28,184.50-38,893.05-15,608.26

Finding the Fourth Proportional to 28,184.50, 38,893.05 and 15,608.26

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Solution

The fourth proportional to 28,184.50, 38,893.05 and 15,608.26 is: 21,538.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184.50 : 38,893.05 = 15,608.26 : x
  2. Step 2: Convert to fraction form
    28,184.50/38,893.05 = 15,608.26/x
  3. Step 3: Cross multiply
    28,184.50x = 38,893.05 × 15,608.26
  4. Step 4: Simplify right side
    28,184.50x = 607,052,836.59
  5. Step 5: Solve for x
    x = 607,052,836.59/28,184.50
  6. Step 6: Final answer
    x = 21,538.53

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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.