Home / 28,322.91-42,484.43-8,601.61

Finding the Fourth Proportional to 28,322.91, 42,484.43 and 8,601.61

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Solution

The fourth proportional to 28,322.91, 42,484.43 and 8,601.61 is: 12,902.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.91 : 42,484.43 = 8,601.61 : x
  2. Step 2: Convert to fraction form
    28,322.91/42,484.43 = 8,601.61/x
  3. Step 3: Cross multiply
    28,322.91x = 42,484.43 × 8,601.61
  4. Step 4: Simplify right side
    28,322.91x = 365,434,497.93
  5. Step 5: Solve for x
    x = 365,434,497.93/28,322.91
  6. Step 6: Final answer
    x = 12,902.43

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1.5x scale

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.