Home / 19,829.39-27,359.01-12,759.92

Finding the Fourth Proportional to 19,829.39, 27,359.01 and 12,759.92

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Solution

The fourth proportional to 19,829.39, 27,359.01 and 12,759.92 is: 17,605.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.39 : 27,359.01 = 12,759.92 : x
  2. Step 2: Convert to fraction form
    19,829.39/27,359.01 = 12,759.92/x
  3. Step 3: Cross multiply
    19,829.39x = 27,359.01 × 12,759.92
  4. Step 4: Simplify right side
    19,829.39x = 349,098,642.08
  5. Step 5: Solve for x
    x = 349,098,642.08/19,829.39
  6. Step 6: Final answer
    x = 17,605.12

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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.