Home / 43,672.26-60,280.71-28,358.40

Finding the Fourth Proportional to 43,672.26, 60,280.71 and 28,358.40

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Solution

The fourth proportional to 43,672.26, 60,280.71 and 28,358.40 is: 39,143.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,672.26 : 60,280.71 = 28,358.40 : x
  2. Step 2: Convert to fraction form
    43,672.26/60,280.71 = 28,358.40/x
  3. Step 3: Cross multiply
    43,672.26x = 60,280.71 × 28,358.40
  4. Step 4: Simplify right side
    43,672.26x = 1,709,464,606.17
  5. Step 5: Solve for x
    x = 1,709,464,606.17/43,672.26
  6. Step 6: Final answer
    x = 39,143.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.