Home / 21,674.48-32,508.40-6,881.47

Finding the Fourth Proportional to 21,674.48, 32,508.40 and 6,881.47

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Solution

The fourth proportional to 21,674.48, 32,508.40 and 6,881.47 is: 10,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,674.48 : 32,508.40 = 6,881.47 : x
  2. Step 2: Convert to fraction form
    21,674.48/32,508.40 = 6,881.47/x
  3. Step 3: Cross multiply
    21,674.48x = 32,508.40 × 6,881.47
  4. Step 4: Simplify right side
    21,674.48x = 223,705,579.35
  5. Step 5: Solve for x
    x = 223,705,579.35/21,674.48
  6. Step 6: Final answer
    x = 10,321.15

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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.