Home / 28,784.09-43,176.15-8,007.59

Finding the Fourth Proportional to 28,784.09, 43,176.15 and 8,007.59

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Solution

The fourth proportional to 28,784.09, 43,176.15 and 8,007.59 is: 12,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,784.09 : 43,176.15 = 8,007.59 : x
  2. Step 2: Convert to fraction form
    28,784.09/43,176.15 = 8,007.59/x
  3. Step 3: Cross multiply
    28,784.09x = 43,176.15 × 8,007.59
  4. Step 4: Simplify right side
    28,784.09x = 345,736,691.10
  5. Step 5: Solve for x
    x = 345,736,691.10/28,784.09
  6. Step 6: Final answer
    x = 12,011.38

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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.