Home / 19,277.96-28,932.35-18,662.87

Finding the Fourth Proportional to 19,277.96, 28,932.35 and 18,662.87

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Solution

The fourth proportional to 19,277.96, 28,932.35 and 18,662.87 is: 28,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.96 : 28,932.35 = 18,662.87 : x
  2. Step 2: Convert to fraction form
    19,277.96/28,932.35 = 18,662.87/x
  3. Step 3: Cross multiply
    19,277.96x = 28,932.35 × 18,662.87
  4. Step 4: Simplify right side
    19,277.96x = 539,960,686.84
  5. Step 5: Solve for x
    x = 539,960,686.84/19,277.96
  6. Step 6: Final answer
    x = 28,009.22

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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.