Home / 21,799.90-32,674.98-9,927.22

Finding the Fourth Proportional to 21,799.90, 32,674.98 and 9,927.22

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Solution

The fourth proportional to 21,799.90, 32,674.98 and 9,927.22 is: 14,879.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,799.90 : 32,674.98 = 9,927.22 : x
  2. Step 2: Convert to fraction form
    21,799.90/32,674.98 = 9,927.22/x
  3. Step 3: Cross multiply
    21,799.90x = 32,674.98 × 9,927.22
  4. Step 4: Simplify right side
    21,799.90x = 324,371,714.96
  5. Step 5: Solve for x
    x = 324,371,714.96/21,799.90
  6. Step 6: Final answer
    x = 14,879.50

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1.5x scale

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.