Home / 28,667.52-43,006.14-8,945.64

Finding the Fourth Proportional to 28,667.52, 43,006.14 and 8,945.64

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Solution

The fourth proportional to 28,667.52, 43,006.14 and 8,945.64 is: 13,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,667.52 : 43,006.14 = 8,945.64 : x
  2. Step 2: Convert to fraction form
    28,667.52/43,006.14 = 8,945.64/x
  3. Step 3: Cross multiply
    28,667.52x = 43,006.14 × 8,945.64
  4. Step 4: Simplify right side
    28,667.52x = 384,717,446.23
  5. Step 5: Solve for x
    x = 384,717,446.23/28,667.52
  6. Step 6: Final answer
    x = 13,419.98

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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.