Home / 28,336.04-42,505.58-8,613.11

Finding the Fourth Proportional to 28,336.04, 42,505.58 and 8,613.11

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Solution

The fourth proportional to 28,336.04, 42,505.58 and 8,613.11 is: 12,920.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336.04 : 42,505.58 = 8,613.11 : x
  2. Step 2: Convert to fraction form
    28,336.04/42,505.58 = 8,613.11/x
  3. Step 3: Cross multiply
    28,336.04x = 42,505.58 × 8,613.11
  4. Step 4: Simplify right side
    28,336.04x = 366,105,236.15
  5. Step 5: Solve for x
    x = 366,105,236.15/28,336.04
  6. Step 6: Final answer
    x = 12,920.13

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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.