Home / 26,138.72-36,072.24-14,964.32

Finding the Fourth Proportional to 26,138.72, 36,072.24 and 14,964.32

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Solution

The fourth proportional to 26,138.72, 36,072.24 and 14,964.32 is: 20,651.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,138.72 : 36,072.24 = 14,964.32 : x
  2. Step 2: Convert to fraction form
    26,138.72/36,072.24 = 14,964.32/x
  3. Step 3: Cross multiply
    26,138.72x = 36,072.24 × 14,964.32
  4. Step 4: Simplify right side
    26,138.72x = 539,796,542.48
  5. Step 5: Solve for x
    x = 539,796,542.48/26,138.72
  6. Step 6: Final answer
    x = 20,651.22

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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.