Home / 43,111.44-64,628.28-15,402.96

Finding the Fourth Proportional to 43,111.44, 64,628.28 and 15,402.96

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Solution

The fourth proportional to 43,111.44, 64,628.28 and 15,402.96 is: 23,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,111.44 : 64,628.28 = 15,402.96 : x
  2. Step 2: Convert to fraction form
    43,111.44/64,628.28 = 15,402.96/x
  3. Step 3: Cross multiply
    43,111.44x = 64,628.28 × 15,402.96
  4. Step 4: Simplify right side
    43,111.44x = 995,466,811.71
  5. Step 5: Solve for x
    x = 995,466,811.71/43,111.44
  6. Step 6: Final answer
    x = 23,090.55

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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.