Home / 28,578.18-39,439.18-16,002.92

Finding the Fourth Proportional to 28,578.18, 39,439.18 and 16,002.92

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Solution

The fourth proportional to 28,578.18, 39,439.18 and 16,002.92 is: 22,084.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,578.18 : 39,439.18 = 16,002.92 : x
  2. Step 2: Convert to fraction form
    28,578.18/39,439.18 = 16,002.92/x
  3. Step 3: Cross multiply
    28,578.18x = 39,439.18 × 16,002.92
  4. Step 4: Simplify right side
    28,578.18x = 631,142,042.41
  5. Step 5: Solve for x
    x = 631,142,042.41/28,578.18
  6. Step 6: Final answer
    x = 22,084.75

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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.