Home / 26,105.39-36,009.05-15,487.50

Finding the Fourth Proportional to 26,105.39, 36,009.05 and 15,487.50

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Solution

The fourth proportional to 26,105.39, 36,009.05 and 15,487.50 is: 21,363.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,105.39 : 36,009.05 = 15,487.50 : x
  2. Step 2: Convert to fraction form
    26,105.39/36,009.05 = 15,487.50/x
  3. Step 3: Cross multiply
    26,105.39x = 36,009.05 × 15,487.50
  4. Step 4: Simplify right side
    26,105.39x = 557,690,084.44
  5. Step 5: Solve for x
    x = 557,690,084.44/26,105.39
  6. Step 6: Final answer
    x = 21,363.03

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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.