Home / 28,611.30-39,484.62-16,672.71

Finding the Fourth Proportional to 28,611.30, 39,484.62 and 16,672.71

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Solution

The fourth proportional to 28,611.30, 39,484.62 and 16,672.71 is: 23,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,611.30 : 39,484.62 = 16,672.71 : x
  2. Step 2: Convert to fraction form
    28,611.30/39,484.62 = 16,672.71/x
  3. Step 3: Cross multiply
    28,611.30x = 39,484.62 × 16,672.71
  4. Step 4: Simplify right side
    28,611.30x = 658,315,618.72
  5. Step 5: Solve for x
    x = 658,315,618.72/28,611.30
  6. Step 6: Final answer
    x = 23,008.94

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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.