Home / 20,235.04-27,961.48-19,262.80

Finding the Fourth Proportional to 20,235.04, 27,961.48 and 19,262.80

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Solution

The fourth proportional to 20,235.04, 27,961.48 and 19,262.80 is: 26,618.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235.04 : 27,961.48 = 19,262.80 : x
  2. Step 2: Convert to fraction form
    20,235.04/27,961.48 = 19,262.80/x
  3. Step 3: Cross multiply
    20,235.04x = 27,961.48 × 19,262.80
  4. Step 4: Simplify right side
    20,235.04x = 538,616,455.97
  5. Step 5: Solve for x
    x = 538,616,455.97/20,235.04
  6. Step 6: Final answer
    x = 26,618.01

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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.