Home / 21,284.02-31,922.38-5,698

Finding the Fourth Proportional to 21,284.02, 31,922.38 and 5,698

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Solution

The fourth proportional to 21,284.02, 31,922.38 and 5,698 is: 8,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,284.02 : 31,922.38 = 5,698 : x
  2. Step 2: Convert to fraction form
    21,284.02/31,922.38 = 5,698/x
  3. Step 3: Cross multiply
    21,284.02x = 31,922.38 × 5,698
  4. Step 4: Simplify right side
    21,284.02x = 181,893,721.24
  5. Step 5: Solve for x
    x = 181,893,721.24/21,284.02
  6. Step 6: Final answer
    x = 8,546.02

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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.