Home / 28,913.13-39,911.13-18,844.02

Finding the Fourth Proportional to 28,913.13, 39,911.13 and 18,844.02

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Solution

The fourth proportional to 28,913.13, 39,911.13 and 18,844.02 is: 26,011.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,913.13 : 39,911.13 = 18,844.02 : x
  2. Step 2: Convert to fraction form
    28,913.13/39,911.13 = 18,844.02/x
  3. Step 3: Cross multiply
    28,913.13x = 39,911.13 × 18,844.02
  4. Step 4: Simplify right side
    28,913.13x = 752,086,131.94
  5. Step 5: Solve for x
    x = 752,086,131.94/28,913.13
  6. Step 6: Final answer
    x = 26,011.92

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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.