Home / 31,815.39-47,723.07-9,628.26

Finding the Fourth Proportional to 31,815.39, 47,723.07 and 9,628.26

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Solution

The fourth proportional to 31,815.39, 47,723.07 and 9,628.26 is: 14,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,815.39 : 47,723.07 = 9,628.26 : x
  2. Step 2: Convert to fraction form
    31,815.39/47,723.07 = 9,628.26/x
  3. Step 3: Cross multiply
    31,815.39x = 47,723.07 × 9,628.26
  4. Step 4: Simplify right side
    31,815.39x = 459,490,125.96
  5. Step 5: Solve for x
    x = 459,490,125.96/31,815.39
  6. Step 6: Final answer
    x = 14,442.39

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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.