Home / 19,011.28-28,516.80-5,860

Finding the Fourth Proportional to 19,011.28, 28,516.80 and 5,860

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Solution

The fourth proportional to 19,011.28, 28,516.80 and 5,860 is: 8,789.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.28 : 28,516.80 = 5,860 : x
  2. Step 2: Convert to fraction form
    19,011.28/28,516.80 = 5,860/x
  3. Step 3: Cross multiply
    19,011.28x = 28,516.80 × 5,860
  4. Step 4: Simplify right side
    19,011.28x = 167,108,448
  5. Step 5: Solve for x
    x = 167,108,448/19,011.28
  6. Step 6: Final answer
    x = 8,789.96

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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.