Home / 28,719.67-43,062.63-11,168.86

Finding the Fourth Proportional to 28,719.67, 43,062.63 and 11,168.86

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Solution

The fourth proportional to 28,719.67, 43,062.63 and 11,168.86 is: 16,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,719.67 : 43,062.63 = 11,168.86 : x
  2. Step 2: Convert to fraction form
    28,719.67/43,062.63 = 11,168.86/x
  3. Step 3: Cross multiply
    28,719.67x = 43,062.63 × 11,168.86
  4. Step 4: Simplify right side
    28,719.67x = 480,960,485.70
  5. Step 5: Solve for x
    x = 480,960,485.70/28,719.67
  6. Step 6: Final answer
    x = 16,746.73

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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.