Home / 28,608.28-39,479.40-16,033.12

Finding the Fourth Proportional to 28,608.28, 39,479.40 and 16,033.12

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Solution

The fourth proportional to 28,608.28, 39,479.40 and 16,033.12 is: 22,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608.28 : 39,479.40 = 16,033.12 : x
  2. Step 2: Convert to fraction form
    28,608.28/39,479.40 = 16,033.12/x
  3. Step 3: Cross multiply
    28,608.28x = 39,479.40 × 16,033.12
  4. Step 4: Simplify right side
    28,608.28x = 632,977,957.73
  5. Step 5: Solve for x
    x = 632,977,957.73/28,608.28
  6. Step 6: Final answer
    x = 22,125.69

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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.