Home / 21,025.92-29,000.16-14,309.44

Finding the Fourth Proportional to 21,025.92, 29,000.16 and 14,309.44

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Solution

The fourth proportional to 21,025.92, 29,000.16 and 14,309.44 is: 19,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025.92 : 29,000.16 = 14,309.44 : x
  2. Step 2: Convert to fraction form
    21,025.92/29,000.16 = 14,309.44/x
  3. Step 3: Cross multiply
    21,025.92x = 29,000.16 × 14,309.44
  4. Step 4: Simplify right side
    21,025.92x = 414,976,049.51
  5. Step 5: Solve for x
    x = 414,976,049.51/21,025.92
  6. Step 6: Final answer
    x = 19,736.40

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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.