Home / 26,849.43-40,271.03-7,129.53

Finding the Fourth Proportional to 26,849.43, 40,271.03 and 7,129.53

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Solution

The fourth proportional to 26,849.43, 40,271.03 and 7,129.53 is: 10,693.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,849.43 : 40,271.03 = 7,129.53 : x
  2. Step 2: Convert to fraction form
    26,849.43/40,271.03 = 7,129.53/x
  3. Step 3: Cross multiply
    26,849.43x = 40,271.03 × 7,129.53
  4. Step 4: Simplify right side
    26,849.43x = 287,113,507.60
  5. Step 5: Solve for x
    x = 287,113,507.60/26,849.43
  6. Step 6: Final answer
    x = 10,693.47

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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.