Home / 19,997.07-27,593.50-12,726.66

Finding the Fourth Proportional to 19,997.07, 27,593.50 and 12,726.66

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Solution

The fourth proportional to 19,997.07, 27,593.50 and 12,726.66 is: 17,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.07 : 27,593.50 = 12,726.66 : x
  2. Step 2: Convert to fraction form
    19,997.07/27,593.50 = 12,726.66/x
  3. Step 3: Cross multiply
    19,997.07x = 27,593.50 × 12,726.66
  4. Step 4: Simplify right side
    19,997.07x = 351,173,092.71
  5. Step 5: Solve for x
    x = 351,173,092.71/19,997.07
  6. Step 6: Final answer
    x = 17,561.23

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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.