Home / 26,126.66-39,190-18,370.10

Finding the Fourth Proportional to 26,126.66, 39,190 and 18,370.10

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Solution

The fourth proportional to 26,126.66, 39,190 and 18,370.10 is: 27,555.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,126.66 : 39,190 = 18,370.10 : x
  2. Step 2: Convert to fraction form
    26,126.66/39,190 = 18,370.10/x
  3. Step 3: Cross multiply
    26,126.66x = 39,190 × 18,370.10
  4. Step 4: Simplify right side
    26,126.66x = 719,924,219
  5. Step 5: Solve for x
    x = 719,924,219/26,126.66
  6. Step 6: Final answer
    x = 27,555.16

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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.