Home / 21,232.57-29,296.19-12,848.89

Finding the Fourth Proportional to 21,232.57, 29,296.19 and 12,848.89

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Solution

The fourth proportional to 21,232.57, 29,296.19 and 12,848.89 is: 17,728.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.57 : 29,296.19 = 12,848.89 : x
  2. Step 2: Convert to fraction form
    21,232.57/29,296.19 = 12,848.89/x
  3. Step 3: Cross multiply
    21,232.57x = 29,296.19 × 12,848.89
  4. Step 4: Simplify right side
    21,232.57x = 376,423,458.48
  5. Step 5: Solve for x
    x = 376,423,458.48/21,232.57
  6. Step 6: Final answer
    x = 17,728.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.