Home / 40,268.55-60,398.14-10,688.69

Finding the Fourth Proportional to 40,268.55, 60,398.14 and 10,688.69

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Solution

The fourth proportional to 40,268.55, 60,398.14 and 10,688.69 is: 16,031.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,268.55 : 60,398.14 = 10,688.69 : x
  2. Step 2: Convert to fraction form
    40,268.55/60,398.14 = 10,688.69/x
  3. Step 3: Cross multiply
    40,268.55x = 60,398.14 × 10,688.69
  4. Step 4: Simplify right side
    40,268.55x = 645,576,639.60
  5. Step 5: Solve for x
    x = 645,576,639.60/40,268.55
  6. Step 6: Final answer
    x = 16,031.78

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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.