Home / 20,046.48-27,651.24-13,762.32

Finding the Fourth Proportional to 20,046.48, 27,651.24 and 13,762.32

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Solution

The fourth proportional to 20,046.48, 27,651.24 and 13,762.32 is: 18,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,046.48 : 27,651.24 = 13,762.32 : x
  2. Step 2: Convert to fraction form
    20,046.48/27,651.24 = 13,762.32/x
  3. Step 3: Cross multiply
    20,046.48x = 27,651.24 × 13,762.32
  4. Step 4: Simplify right side
    20,046.48x = 380,545,213.28
  5. Step 5: Solve for x
    x = 380,545,213.28/20,046.48
  6. Step 6: Final answer
    x = 18,983.14

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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.