Home / 39,623.64-54,671.68-26,878.56

Finding the Fourth Proportional to 39,623.64, 54,671.68 and 26,878.56

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Solution

The fourth proportional to 39,623.64, 54,671.68 and 26,878.56 is: 37,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,623.64 : 54,671.68 = 26,878.56 : x
  2. Step 2: Convert to fraction form
    39,623.64/54,671.68 = 26,878.56/x
  3. Step 3: Cross multiply
    39,623.64x = 54,671.68 × 26,878.56
  4. Step 4: Simplify right side
    39,623.64x = 1,469,496,031.18
  5. Step 5: Solve for x
    x = 1,469,496,031.18/39,623.64
  6. Step 6: Final answer
    x = 37,086.35

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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.