Home / 22,529.92-31,089.68-12,456.50

Finding the Fourth Proportional to 22,529.92, 31,089.68 and 12,456.50

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Solution

The fourth proportional to 22,529.92, 31,089.68 and 12,456.50 is: 17,189.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,529.92 : 31,089.68 = 12,456.50 : x
  2. Step 2: Convert to fraction form
    22,529.92/31,089.68 = 12,456.50/x
  3. Step 3: Cross multiply
    22,529.92x = 31,089.68 × 12,456.50
  4. Step 4: Simplify right side
    22,529.92x = 387,268,676.64
  5. Step 5: Solve for x
    x = 387,268,676.64/22,529.92
  6. Step 6: Final answer
    x = 17,189.09

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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.