Home / 19,854.32-27,399.27-10,902.63

Finding the Fourth Proportional to 19,854.32, 27,399.27 and 10,902.63

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Solution

The fourth proportional to 19,854.32, 27,399.27 and 10,902.63 is: 15,045.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854.32 : 27,399.27 = 10,902.63 : x
  2. Step 2: Convert to fraction form
    19,854.32/27,399.27 = 10,902.63/x
  3. Step 3: Cross multiply
    19,854.32x = 27,399.27 × 10,902.63
  4. Step 4: Simplify right side
    19,854.32x = 298,723,966.08
  5. Step 5: Solve for x
    x = 298,723,966.08/19,854.32
  6. Step 6: Final answer
    x = 15,045.79

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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.