Home / 28,025,231.31-38,674,843.45-15,635,327.28

Finding the Fourth Proportional to 28,025,231.31, 38,674,843.45 and 15,635,327.28

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Solution

The fourth proportional to 28,025,231.31, 38,674,843.45 and 15,635,327.28 is: 21,576,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025,231.31 : 38,674,843.45 = 15,635,327.28 : x
  2. Step 2: Convert to fraction form
    28,025,231.31/38,674,843.45 = 15,635,327.28/x
  3. Step 3: Cross multiply
    28,025,231.31x = 38,674,843.45 × 15,635,327.28
  4. Step 4: Simplify right side
    28,025,231.31x = 604,693,834,964,890
  5. Step 5: Solve for x
    x = 604,693,834,964,890/28,025,231.31
  6. Step 6: Final answer
    x = 21,576,765.18

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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.