Home / 19,320.22-28,971.98-6,671.31

Finding the Fourth Proportional to 19,320.22, 28,971.98 and 6,671.31

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Solution

The fourth proportional to 19,320.22, 28,971.98 and 6,671.31 is: 10,004.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320.22 : 28,971.98 = 6,671.31 : x
  2. Step 2: Convert to fraction form
    19,320.22/28,971.98 = 6,671.31/x
  3. Step 3: Cross multiply
    19,320.22x = 28,971.98 × 6,671.31
  4. Step 4: Simplify right side
    19,320.22x = 193,281,160.20
  5. Step 5: Solve for x
    x = 193,281,160.20/19,320.22
  6. Step 6: Final answer
    x = 10,004.09

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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.