Home / 26,139.72-36,072.96-14,203.16

Finding the Fourth Proportional to 26,139.72, 36,072.96 and 14,203.16

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Solution

The fourth proportional to 26,139.72, 36,072.96 and 14,203.16 is: 19,600.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,139.72 : 36,072.96 = 14,203.16 : x
  2. Step 2: Convert to fraction form
    26,139.72/36,072.96 = 14,203.16/x
  3. Step 3: Cross multiply
    26,139.72x = 36,072.96 × 14,203.16
  4. Step 4: Simplify right side
    26,139.72x = 512,349,842.19
  5. Step 5: Solve for x
    x = 512,349,842.19/26,139.72
  6. Step 6: Final answer
    x = 19,600.43

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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.