Home / 26,849.93-40,271.78-7,130.03

Finding the Fourth Proportional to 26,849.93, 40,271.78 and 7,130.03

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Solution

The fourth proportional to 26,849.93, 40,271.78 and 7,130.03 is: 10,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,849.93 : 40,271.78 = 7,130.03 : x
  2. Step 2: Convert to fraction form
    26,849.93/40,271.78 = 7,130.03/x
  3. Step 3: Cross multiply
    26,849.93x = 40,271.78 × 7,130.03
  4. Step 4: Simplify right side
    26,849.93x = 287,138,999.55
  5. Step 5: Solve for x
    x = 287,138,999.55/26,849.93
  6. Step 6: Final answer
    x = 10,694.22

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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.