Home / 21,054.28-29,053.92-12,095.48

Finding the Fourth Proportional to 21,054.28, 29,053.92 and 12,095.48

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Solution

The fourth proportional to 21,054.28, 29,053.92 and 12,095.48 is: 16,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054.28 : 29,053.92 = 12,095.48 : x
  2. Step 2: Convert to fraction form
    21,054.28/29,053.92 = 12,095.48/x
  3. Step 3: Cross multiply
    21,054.28x = 29,053.92 × 12,095.48
  4. Step 4: Simplify right side
    21,054.28x = 351,421,108.28
  5. Step 5: Solve for x
    x = 351,421,108.28/21,054.28
  6. Step 6: Final answer
    x = 16,691.20

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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.