Home / 26,433.20-36,476.72-15,816.56

Finding the Fourth Proportional to 26,433.20, 36,476.72 and 15,816.56

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Solution

The fourth proportional to 26,433.20, 36,476.72 and 15,816.56 is: 21,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,433.20 : 36,476.72 = 15,816.56 : x
  2. Step 2: Convert to fraction form
    26,433.20/36,476.72 = 15,816.56/x
  3. Step 3: Cross multiply
    26,433.20x = 36,476.72 × 15,816.56
  4. Step 4: Simplify right side
    26,433.20x = 576,936,230.48
  5. Step 5: Solve for x
    x = 576,936,230.48/26,433.20
  6. Step 6: Final answer
    x = 21,826.20

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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.