Home / 21,490.16-32,236.20-5,907.92

Finding the Fourth Proportional to 21,490.16, 32,236.20 and 5,907.92

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Solution

The fourth proportional to 21,490.16, 32,236.20 and 5,907.92 is: 8,862.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,490.16 : 32,236.20 = 5,907.92 : x
  2. Step 2: Convert to fraction form
    21,490.16/32,236.20 = 5,907.92/x
  3. Step 3: Cross multiply
    21,490.16x = 32,236.20 × 5,907.92
  4. Step 4: Simplify right side
    21,490.16x = 190,448,890.70
  5. Step 5: Solve for x
    x = 190,448,890.70/21,490.16
  6. Step 6: Final answer
    x = 8,862.14

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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.