Home / 25,383.75-34,966.98-21,594.78

Finding the Fourth Proportional to 25,383.75, 34,966.98 and 21,594.78

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Solution

The fourth proportional to 25,383.75, 34,966.98 and 21,594.78 is: 29,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,383.75 : 34,966.98 = 21,594.78 : x
  2. Step 2: Convert to fraction form
    25,383.75/34,966.98 = 21,594.78/x
  3. Step 3: Cross multiply
    25,383.75x = 34,966.98 × 21,594.78
  4. Step 4: Simplify right side
    25,383.75x = 755,104,240.36
  5. Step 5: Solve for x
    x = 755,104,240.36/25,383.75
  6. Step 6: Final answer
    x = 29,747.54

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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.