Home / 26,839.47-40,259.22-7,119.57

Finding the Fourth Proportional to 26,839.47, 40,259.22 and 7,119.57

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Solution

The fourth proportional to 26,839.47, 40,259.22 and 7,119.57 is: 10,679.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,839.47 : 40,259.22 = 7,119.57 : x
  2. Step 2: Convert to fraction form
    26,839.47/40,259.22 = 7,119.57/x
  3. Step 3: Cross multiply
    26,839.47x = 40,259.22 × 7,119.57
  4. Step 4: Simplify right side
    26,839.47x = 286,628,459.21
  5. Step 5: Solve for x
    x = 286,628,459.21/26,839.47
  6. Step 6: Final answer
    x = 10,679.36

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1.5x scale

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.