Home / 28,462.68-39,280.05-16,529.76

Finding the Fourth Proportional to 28,462.68, 39,280.05 and 16,529.76

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Solution

The fourth proportional to 28,462.68, 39,280.05 and 16,529.76 is: 22,811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,462.68 : 39,280.05 = 16,529.76 : x
  2. Step 2: Convert to fraction form
    28,462.68/39,280.05 = 16,529.76/x
  3. Step 3: Cross multiply
    28,462.68x = 39,280.05 × 16,529.76
  4. Step 4: Simplify right side
    28,462.68x = 649,289,799.29
  5. Step 5: Solve for x
    x = 649,289,799.29/28,462.68
  6. Step 6: Final answer
    x = 22,811.97

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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.