Home / 26,406.96-36,438.14-15,792.72

Finding the Fourth Proportional to 26,406.96, 36,438.14 and 15,792.72

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Solution

The fourth proportional to 26,406.96, 36,438.14 and 15,792.72 is: 21,791.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,406.96 : 36,438.14 = 15,792.72 : x
  2. Step 2: Convert to fraction form
    26,406.96/36,438.14 = 15,792.72/x
  3. Step 3: Cross multiply
    26,406.96x = 36,438.14 × 15,792.72
  4. Step 4: Simplify right side
    26,406.96x = 575,457,342.34
  5. Step 5: Solve for x
    x = 575,457,342.34/26,406.96
  6. Step 6: Final answer
    x = 21,791.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.