Home / 21,049.92-29,050.83-14,685.75

Finding the Fourth Proportional to 21,049.92, 29,050.83 and 14,685.75

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Solution

The fourth proportional to 21,049.92, 29,050.83 and 14,685.75 is: 20,267.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049.92 : 29,050.83 = 14,685.75 : x
  2. Step 2: Convert to fraction form
    21,049.92/29,050.83 = 14,685.75/x
  3. Step 3: Cross multiply
    21,049.92x = 29,050.83 × 14,685.75
  4. Step 4: Simplify right side
    21,049.92x = 426,633,226.67
  5. Step 5: Solve for x
    x = 426,633,226.67/21,049.92
  6. Step 6: Final answer
    x = 20,267.69

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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.