Home / 20,628.19-30,943.47-5,835.87

Finding the Fourth Proportional to 20,628.19, 30,943.47 and 5,835.87

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Solution

The fourth proportional to 20,628.19, 30,943.47 and 5,835.87 is: 8,754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,628.19 : 30,943.47 = 5,835.87 : x
  2. Step 2: Convert to fraction form
    20,628.19/30,943.47 = 5,835.87/x
  3. Step 3: Cross multiply
    20,628.19x = 30,943.47 × 5,835.87
  4. Step 4: Simplify right side
    20,628.19x = 180,582,090.15
  5. Step 5: Solve for x
    x = 180,582,090.15/20,628.19
  6. Step 6: Final answer
    x = 8,754.14

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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.