Home / 27,420.06-41,130.30-6,643.56

Finding the Fourth Proportional to 27,420.06, 41,130.30 and 6,643.56

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Solution

The fourth proportional to 27,420.06, 41,130.30 and 6,643.56 is: 9,965.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.06 : 41,130.30 = 6,643.56 : x
  2. Step 2: Convert to fraction form
    27,420.06/41,130.30 = 6,643.56/x
  3. Step 3: Cross multiply
    27,420.06x = 41,130.30 × 6,643.56
  4. Step 4: Simplify right side
    27,420.06x = 273,251,615.87
  5. Step 5: Solve for x
    x = 273,251,615.87/27,420.06
  6. Step 6: Final answer
    x = 9,965.39

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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.