Home / 20,526.65-30,789.82-8,037.87

Finding the Fourth Proportional to 20,526.65, 30,789.82 and 8,037.87

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Solution

The fourth proportional to 20,526.65, 30,789.82 and 8,037.87 is: 12,056.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.65 : 30,789.82 = 8,037.87 : x
  2. Step 2: Convert to fraction form
    20,526.65/30,789.82 = 8,037.87/x
  3. Step 3: Cross multiply
    20,526.65x = 30,789.82 × 8,037.87
  4. Step 4: Simplify right side
    20,526.65x = 247,484,465.07
  5. Step 5: Solve for x
    x = 247,484,465.07/20,526.65
  6. Step 6: Final answer
    x = 12,056.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.