Home / 26,345.80-36,355.92-15,015.78

Finding the Fourth Proportional to 26,345.80, 36,355.92 and 15,015.78

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Solution

The fourth proportional to 26,345.80, 36,355.92 and 15,015.78 is: 20,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,345.80 : 36,355.92 = 15,015.78 : x
  2. Step 2: Convert to fraction form
    26,345.80/36,355.92 = 15,015.78/x
  3. Step 3: Cross multiply
    26,345.80x = 36,355.92 × 15,015.78
  4. Step 4: Simplify right side
    26,345.80x = 545,912,496.42
  5. Step 5: Solve for x
    x = 545,912,496.42/26,345.80
  6. Step 6: Final answer
    x = 20,721.04

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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.