Home / 38,625.05-53,305.48-21,628.41

Finding the Fourth Proportional to 38,625.05, 53,305.48 and 21,628.41

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Solution

The fourth proportional to 38,625.05, 53,305.48 and 21,628.41 is: 29,848.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,625.05 : 53,305.48 = 21,628.41 : x
  2. Step 2: Convert to fraction form
    38,625.05/53,305.48 = 21,628.41/x
  3. Step 3: Cross multiply
    38,625.05x = 53,305.48 × 21,628.41
  4. Step 4: Simplify right side
    38,625.05x = 1,152,912,668.54
  5. Step 5: Solve for x
    x = 1,152,912,668.54/38,625.05
  6. Step 6: Final answer
    x = 29,848.84

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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.