Home / 22,740.81-31,365.55-15,183.51

Finding the Fourth Proportional to 22,740.81, 31,365.55 and 15,183.51

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Solution

The fourth proportional to 22,740.81, 31,365.55 and 15,183.51 is: 20,942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,740.81 : 31,365.55 = 15,183.51 : x
  2. Step 2: Convert to fraction form
    22,740.81/31,365.55 = 15,183.51/x
  3. Step 3: Cross multiply
    22,740.81x = 31,365.55 × 15,183.51
  4. Step 4: Simplify right side
    22,740.81x = 476,238,958.03
  5. Step 5: Solve for x
    x = 476,238,958.03/22,740.81
  6. Step 6: Final answer
    x = 20,942.04

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Double scale
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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.