Home / 18,628.38-27,937.09-5,477.62

Finding the Fourth Proportional to 18,628.38, 27,937.09 and 5,477.62

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Solution

The fourth proportional to 18,628.38, 27,937.09 and 5,477.62 is: 8,214.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.38 : 27,937.09 = 5,477.62 : x
  2. Step 2: Convert to fraction form
    18,628.38/27,937.09 = 5,477.62/x
  3. Step 3: Cross multiply
    18,628.38x = 27,937.09 × 5,477.62
  4. Step 4: Simplify right side
    18,628.38x = 153,028,762.93
  5. Step 5: Solve for x
    x = 153,028,762.93/18,628.38
  6. Step 6: Final answer
    x = 8,214.82

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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.