Home / 28,880.82-43,337.25-14,089.86

Finding the Fourth Proportional to 28,880.82, 43,337.25 and 14,089.86

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Solution

The fourth proportional to 28,880.82, 43,337.25 and 14,089.86 is: 21,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.82 : 43,337.25 = 14,089.86 : x
  2. Step 2: Convert to fraction form
    28,880.82/43,337.25 = 14,089.86/x
  3. Step 3: Cross multiply
    28,880.82x = 43,337.25 × 14,089.86
  4. Step 4: Simplify right side
    28,880.82x = 610,615,785.29
  5. Step 5: Solve for x
    x = 610,615,785.29/28,880.82
  6. Step 6: Final answer
    x = 21,142.61

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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.