Home / 27,455.96-41,164.81-12,644.51

Finding the Fourth Proportional to 27,455.96, 41,164.81 and 12,644.51

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Solution

The fourth proportional to 27,455.96, 41,164.81 and 12,644.51 is: 18,957.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,455.96 : 41,164.81 = 12,644.51 : x
  2. Step 2: Convert to fraction form
    27,455.96/41,164.81 = 12,644.51/x
  3. Step 3: Cross multiply
    27,455.96x = 41,164.81 × 12,644.51
  4. Step 4: Simplify right side
    27,455.96x = 520,508,614.26
  5. Step 5: Solve for x
    x = 520,508,614.26/27,455.96
  6. Step 6: Final answer
    x = 18,957.94

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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.