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Finding the Fourth Proportional to 43,867.68, 65,801.51 and 10,587.71

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Solution

The fourth proportional to 43,867.68, 65,801.51 and 10,587.71 is: 15,881.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,867.68 : 65,801.51 = 10,587.71 : x
  2. Step 2: Convert to fraction form
    43,867.68/65,801.51 = 10,587.71/x
  3. Step 3: Cross multiply
    43,867.68x = 65,801.51 × 10,587.71
  4. Step 4: Simplify right side
    43,867.68x = 696,687,516.27
  5. Step 5: Solve for x
    x = 696,687,516.27/43,867.68
  6. Step 6: Final answer
    x = 15,881.57

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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.