Home / 23,642.93-35,359.83-21,028.79

Finding the Fourth Proportional to 23,642.93, 35,359.83 and 21,028.79

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Solution

The fourth proportional to 23,642.93, 35,359.83 and 21,028.79 is: 31,450.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,642.93 : 35,359.83 = 21,028.79 : x
  2. Step 2: Convert to fraction form
    23,642.93/35,359.83 = 21,028.79/x
  3. Step 3: Cross multiply
    23,642.93x = 35,359.83 × 21,028.79
  4. Step 4: Simplify right side
    23,642.93x = 743,574,527.91
  5. Step 5: Solve for x
    x = 743,574,527.91/23,642.93
  6. Step 6: Final answer
    x = 31,450.18

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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.