Home / 23,642.81-35,359.65-21,028.66

Finding the Fourth Proportional to 23,642.81, 35,359.65 and 21,028.66

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Solution

The fourth proportional to 23,642.81, 35,359.65 and 21,028.66 is: 31,449.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,642.81 : 35,359.65 = 21,028.66 : x
  2. Step 2: Convert to fraction form
    23,642.81/35,359.65 = 21,028.66/x
  3. Step 3: Cross multiply
    23,642.81x = 35,359.65 × 21,028.66
  4. Step 4: Simplify right side
    23,642.81x = 743,566,057.57
  5. Step 5: Solve for x
    x = 743,566,057.57/23,642.81
  6. Step 6: Final answer
    x = 31,449.99

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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.