Home / 55,314.21-82,971.77-15,872.56

Finding the Fourth Proportional to 55,314.21, 82,971.77 and 15,872.56

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Solution

The fourth proportional to 55,314.21, 82,971.77 and 15,872.56 is: 23,808.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,314.21 : 82,971.77 = 15,872.56 : x
  2. Step 2: Convert to fraction form
    55,314.21/82,971.77 = 15,872.56/x
  3. Step 3: Cross multiply
    55,314.21x = 82,971.77 × 15,872.56
  4. Step 4: Simplify right side
    55,314.21x = 1,316,974,397.63
  5. Step 5: Solve for x
    x = 1,316,974,397.63/55,314.21
  6. Step 6: Final answer
    x = 23,808.97

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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.