Home / 23,126.57-31,916.33-13,055.87

Finding the Fourth Proportional to 23,126.57, 31,916.33 and 13,055.87

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Solution

The fourth proportional to 23,126.57, 31,916.33 and 13,055.87 is: 18,018.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,126.57 : 31,916.33 = 13,055.87 : x
  2. Step 2: Convert to fraction form
    23,126.57/31,916.33 = 13,055.87/x
  3. Step 3: Cross multiply
    23,126.57x = 31,916.33 × 13,055.87
  4. Step 4: Simplify right side
    23,126.57x = 416,695,230.50
  5. Step 5: Solve for x
    x = 416,695,230.50/23,126.57
  6. Step 6: Final answer
    x = 18,018.03

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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.