Home / 54,988.27-82,465.94-28,678.66

Finding the Fourth Proportional to 54,988.27, 82,465.94 and 28,678.66

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Solution

The fourth proportional to 54,988.27, 82,465.94 and 28,678.66 is: 43,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,988.27 : 82,465.94 = 28,678.66 : x
  2. Step 2: Convert to fraction form
    54,988.27/82,465.94 = 28,678.66/x
  3. Step 3: Cross multiply
    54,988.27x = 82,465.94 × 28,678.66
  4. Step 4: Simplify right side
    54,988.27x = 2,365,012,654.84
  5. Step 5: Solve for x
    x = 2,365,012,654.84/54,988.27
  6. Step 6: Final answer
    x = 43,009.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.