Home / 19,839.15-27,343.92-18,904.89

Finding the Fourth Proportional to 19,839.15, 27,343.92 and 18,904.89

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Solution

The fourth proportional to 19,839.15, 27,343.92 and 18,904.89 is: 26,056.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.15 : 27,343.92 = 18,904.89 : x
  2. Step 2: Convert to fraction form
    19,839.15/27,343.92 = 18,904.89/x
  3. Step 3: Cross multiply
    19,839.15x = 27,343.92 × 18,904.89
  4. Step 4: Simplify right side
    19,839.15x = 516,933,799.77
  5. Step 5: Solve for x
    x = 516,933,799.77/19,839.15
  6. Step 6: Final answer
    x = 26,056.25

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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.