Home / 43,807.20-60,459.54-28,712.64

Finding the Fourth Proportional to 43,807.20, 60,459.54 and 28,712.64

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Solution

The fourth proportional to 43,807.20, 60,459.54 and 28,712.64 is: 39,627.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,807.20 : 60,459.54 = 28,712.64 : x
  2. Step 2: Convert to fraction form
    43,807.20/60,459.54 = 28,712.64/x
  3. Step 3: Cross multiply
    43,807.20x = 60,459.54 × 28,712.64
  4. Step 4: Simplify right side
    43,807.20x = 1,735,953,006.59
  5. Step 5: Solve for x
    x = 1,735,953,006.59/43,807.20
  6. Step 6: Final answer
    x = 39,627.12

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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.