Home / 28,209.60-38,936.70-17,593.02

Finding the Fourth Proportional to 28,209.60, 38,936.70 and 17,593.02

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Solution

The fourth proportional to 28,209.60, 38,936.70 and 17,593.02 is: 24,283.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,209.60 : 38,936.70 = 17,593.02 : x
  2. Step 2: Convert to fraction form
    28,209.60/38,936.70 = 17,593.02/x
  3. Step 3: Cross multiply
    28,209.60x = 38,936.70 × 17,593.02
  4. Step 4: Simplify right side
    28,209.60x = 685,014,141.83
  5. Step 5: Solve for x
    x = 685,014,141.83/28,209.60
  6. Step 6: Final answer
    x = 24,283.02

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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.