Home / 26,143.26-39,215.02-6,421.82

Finding the Fourth Proportional to 26,143.26, 39,215.02 and 6,421.82

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Solution

The fourth proportional to 26,143.26, 39,215.02 and 6,421.82 is: 9,632.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,143.26 : 39,215.02 = 6,421.82 : x
  2. Step 2: Convert to fraction form
    26,143.26/39,215.02 = 6,421.82/x
  3. Step 3: Cross multiply
    26,143.26x = 39,215.02 × 6,421.82
  4. Step 4: Simplify right side
    26,143.26x = 251,831,799.74
  5. Step 5: Solve for x
    x = 251,831,799.74/26,143.26
  6. Step 6: Final answer
    x = 9,632.76

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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.