Home / 27,428.57-41,142.80-9,898.37

Finding the Fourth Proportional to 27,428.57, 41,142.80 and 9,898.37

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Solution

The fourth proportional to 27,428.57, 41,142.80 and 9,898.37 is: 14,847.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428.57 : 41,142.80 = 9,898.37 : x
  2. Step 2: Convert to fraction form
    27,428.57/41,142.80 = 9,898.37/x
  3. Step 3: Cross multiply
    27,428.57x = 41,142.80 × 9,898.37
  4. Step 4: Simplify right side
    27,428.57x = 407,246,402.03
  5. Step 5: Solve for x
    x = 407,246,402.03/27,428.57
  6. Step 6: Final answer
    x = 14,847.53

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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.