Home / 35,878.36-53,824.20-10,920.64

Finding the Fourth Proportional to 35,878.36, 53,824.20 and 10,920.64

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Solution

The fourth proportional to 35,878.36, 53,824.20 and 10,920.64 is: 16,382.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,878.36 : 53,824.20 = 10,920.64 : x
  2. Step 2: Convert to fraction form
    35,878.36/53,824.20 = 10,920.64/x
  3. Step 3: Cross multiply
    35,878.36x = 53,824.20 × 10,920.64
  4. Step 4: Simplify right side
    35,878.36x = 587,794,711.49
  5. Step 5: Solve for x
    x = 587,794,711.49/35,878.36
  6. Step 6: Final answer
    x = 16,382.99

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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.