Home / 21,454.24-32,156.48-12,696.52

Finding the Fourth Proportional to 21,454.24, 32,156.48 and 12,696.52

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Solution

The fourth proportional to 21,454.24, 32,156.48 and 12,696.52 is: 19,030.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,454.24 : 32,156.48 = 12,696.52 : x
  2. Step 2: Convert to fraction form
    21,454.24/32,156.48 = 12,696.52/x
  3. Step 3: Cross multiply
    21,454.24x = 32,156.48 × 12,696.52
  4. Step 4: Simplify right side
    21,454.24x = 408,275,391.45
  5. Step 5: Solve for x
    x = 408,275,391.45/21,454.24
  6. Step 6: Final answer
    x = 19,030.06

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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.