Home / 19,926.80-27,497.93-11,428.49

Finding the Fourth Proportional to 19,926.80, 27,497.93 and 11,428.49

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Solution

The fourth proportional to 19,926.80, 27,497.93 and 11,428.49 is: 15,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.80 : 27,497.93 = 11,428.49 : x
  2. Step 2: Convert to fraction form
    19,926.80/27,497.93 = 11,428.49/x
  3. Step 3: Cross multiply
    19,926.80x = 27,497.93 × 11,428.49
  4. Step 4: Simplify right side
    19,926.80x = 314,259,680.54
  5. Step 5: Solve for x
    x = 314,259,680.54/19,926.80
  6. Step 6: Final answer
    x = 15,770.70

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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.