Home / 19,740.64-27,241.27-10,788.45

Finding the Fourth Proportional to 19,740.64, 27,241.27 and 10,788.45

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Solution

The fourth proportional to 19,740.64, 27,241.27 and 10,788.45 is: 14,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.64 : 27,241.27 = 10,788.45 : x
  2. Step 2: Convert to fraction form
    19,740.64/27,241.27 = 10,788.45/x
  3. Step 3: Cross multiply
    19,740.64x = 27,241.27 × 10,788.45
  4. Step 4: Simplify right side
    19,740.64x = 293,891,079.33
  5. Step 5: Solve for x
    x = 293,891,079.33/19,740.64
  6. Step 6: Final answer
    x = 14,887.62

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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.