Home / 37,991.84-52,428.51-20,997.27

Finding the Fourth Proportional to 37,991.84, 52,428.51 and 20,997.27

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Solution

The fourth proportional to 37,991.84, 52,428.51 and 20,997.27 is: 28,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,991.84 : 52,428.51 = 20,997.27 : x
  2. Step 2: Convert to fraction form
    37,991.84/52,428.51 = 20,997.27/x
  3. Step 3: Cross multiply
    37,991.84x = 52,428.51 × 20,997.27
  4. Step 4: Simplify right side
    37,991.84x = 1,100,855,580.17
  5. Step 5: Solve for x
    x = 1,100,855,580.17/37,991.84
  6. Step 6: Final answer
    x = 28,976.11

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1.5x scale

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.