Home / 39,998.56-59,997.04-10,415.76

Finding the Fourth Proportional to 39,998.56, 59,997.04 and 10,415.76

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Solution

The fourth proportional to 39,998.56, 59,997.04 and 10,415.76 is: 15,623.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,998.56 : 59,997.04 = 10,415.76 : x
  2. Step 2: Convert to fraction form
    39,998.56/59,997.04 = 10,415.76/x
  3. Step 3: Cross multiply
    39,998.56x = 59,997.04 × 10,415.76
  4. Step 4: Simplify right side
    39,998.56x = 624,914,769.35
  5. Step 5: Solve for x
    x = 624,914,769.35/39,998.56
  6. Step 6: Final answer
    x = 15,623.43

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1.5x scale

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.