Home / 28,479.90-39,295.60-16,536.04

Finding the Fourth Proportional to 28,479.90, 39,295.60 and 16,536.04

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Solution

The fourth proportional to 28,479.90, 39,295.60 and 16,536.04 is: 22,815.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,479.90 : 39,295.60 = 16,536.04 : x
  2. Step 2: Convert to fraction form
    28,479.90/39,295.60 = 16,536.04/x
  3. Step 3: Cross multiply
    28,479.90x = 39,295.60 × 16,536.04
  4. Step 4: Simplify right side
    28,479.90x = 649,793,613.42
  5. Step 5: Solve for x
    x = 649,793,613.42/28,479.90
  6. Step 6: Final answer
    x = 22,815.87

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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.