Home / 29,277.75-40,420.71-19,223.79

Finding the Fourth Proportional to 29,277.75, 40,420.71 and 19,223.79

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Solution

The fourth proportional to 29,277.75, 40,420.71 and 19,223.79 is: 26,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,277.75 : 40,420.71 = 19,223.79 : x
  2. Step 2: Convert to fraction form
    29,277.75/40,420.71 = 19,223.79/x
  3. Step 3: Cross multiply
    29,277.75x = 40,420.71 × 19,223.79
  4. Step 4: Simplify right side
    29,277.75x = 777,039,240.69
  5. Step 5: Solve for x
    x = 777,039,240.69/29,277.75
  6. Step 6: Final answer
    x = 26,540.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.