Home / 19,740.54-27,241.56-10,787.82

Finding the Fourth Proportional to 19,740.54, 27,241.56 and 10,787.82

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Solution

The fourth proportional to 19,740.54, 27,241.56 and 10,787.82 is: 14,886.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.54 : 27,241.56 = 10,787.82 : x
  2. Step 2: Convert to fraction form
    19,740.54/27,241.56 = 10,787.82/x
  3. Step 3: Cross multiply
    19,740.54x = 27,241.56 × 10,787.82
  4. Step 4: Simplify right side
    19,740.54x = 293,877,045.80
  5. Step 5: Solve for x
    x = 293,877,045.80/19,740.54
  6. Step 6: Final answer
    x = 14,886.98

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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.