Home / 57,664.25-86,490.48-15,542.63

Finding the Fourth Proportional to 57,664.25, 86,490.48 and 15,542.63

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Solution

The fourth proportional to 57,664.25, 86,490.48 and 15,542.63 is: 23,312.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,664.25 : 86,490.48 = 15,542.63 : x
  2. Step 2: Convert to fraction form
    57,664.25/86,490.48 = 15,542.63/x
  3. Step 3: Cross multiply
    57,664.25x = 86,490.48 × 15,542.63
  4. Step 4: Simplify right side
    57,664.25x = 1,344,289,529.16
  5. Step 5: Solve for x
    x = 1,344,289,529.16/57,664.25
  6. Step 6: Final answer
    x = 23,312.36

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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.