Home / 28,705.48-39,610.02-16,608.04

Finding the Fourth Proportional to 28,705.48, 39,610.02 and 16,608.04

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Solution

The fourth proportional to 28,705.48, 39,610.02 and 16,608.04 is: 22,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,705.48 : 39,610.02 = 16,608.04 : x
  2. Step 2: Convert to fraction form
    28,705.48/39,610.02 = 16,608.04/x
  3. Step 3: Cross multiply
    28,705.48x = 39,610.02 × 16,608.04
  4. Step 4: Simplify right side
    28,705.48x = 657,844,796.56
  5. Step 5: Solve for x
    x = 657,844,796.56/28,705.48
  6. Step 6: Final answer
    x = 22,917.05

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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.