Home / 26,143.45-39,215.30-6,422.01

Finding the Fourth Proportional to 26,143.45, 39,215.30 and 6,422.01

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Solution

The fourth proportional to 26,143.45, 39,215.30 and 6,422.01 is: 9,633.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,143.45 : 39,215.30 = 6,422.01 : x
  2. Step 2: Convert to fraction form
    26,143.45/39,215.30 = 6,422.01/x
  3. Step 3: Cross multiply
    26,143.45x = 39,215.30 × 6,422.01
  4. Step 4: Simplify right side
    26,143.45x = 251,841,064.81
  5. Step 5: Solve for x
    x = 251,841,064.81/26,143.45
  6. Step 6: Final answer
    x = 9,633.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.