Home / 26,490.24-36,557.46-15,161.72

Finding the Fourth Proportional to 26,490.24, 36,557.46 and 15,161.72

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Solution

The fourth proportional to 26,490.24, 36,557.46 and 15,161.72 is: 20,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,490.24 : 36,557.46 = 15,161.72 : x
  2. Step 2: Convert to fraction form
    26,490.24/36,557.46 = 15,161.72/x
  3. Step 3: Cross multiply
    26,490.24x = 36,557.46 × 15,161.72
  4. Step 4: Simplify right side
    26,490.24x = 554,273,789.64
  5. Step 5: Solve for x
    x = 554,273,789.64/26,490.24
  6. Step 6: Final answer
    x = 20,923.70

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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.