Home / 23,365.33-34,990.75-21,118.79

Finding the Fourth Proportional to 23,365.33, 34,990.75 and 21,118.79

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Solution

The fourth proportional to 23,365.33, 34,990.75 and 21,118.79 is: 31,626.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,365.33 : 34,990.75 = 21,118.79 : x
  2. Step 2: Convert to fraction form
    23,365.33/34,990.75 = 21,118.79/x
  3. Step 3: Cross multiply
    23,365.33x = 34,990.75 × 21,118.79
  4. Step 4: Simplify right side
    23,365.33x = 738,962,415.07
  5. Step 5: Solve for x
    x = 738,962,415.07/23,365.33
  6. Step 6: Final answer
    x = 31,626.45

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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.