Home / 35,828.88-53,772.06-21,050.28

Finding the Fourth Proportional to 35,828.88, 53,772.06 and 21,050.28

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Solution

The fourth proportional to 35,828.88, 53,772.06 and 21,050.28 is: 31,592.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,828.88 : 53,772.06 = 21,050.28 : x
  2. Step 2: Convert to fraction form
    35,828.88/53,772.06 = 21,050.28/x
  3. Step 3: Cross multiply
    35,828.88x = 53,772.06 × 21,050.28
  4. Step 4: Simplify right side
    35,828.88x = 1,131,916,919.18
  5. Step 5: Solve for x
    x = 1,131,916,919.18/35,828.88
  6. Step 6: Final answer
    x = 31,592.31

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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.