Home / 57,479.06-86,208.60-15,916.34

Finding the Fourth Proportional to 57,479.06, 86,208.60 and 15,916.34

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Solution

The fourth proportional to 57,479.06, 86,208.60 and 15,916.34 is: 23,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,479.06 : 86,208.60 = 15,916.34 : x
  2. Step 2: Convert to fraction form
    57,479.06/86,208.60 = 15,916.34/x
  3. Step 3: Cross multiply
    57,479.06x = 86,208.60 × 15,916.34
  4. Step 4: Simplify right side
    57,479.06x = 1,372,125,388.52
  5. Step 5: Solve for x
    x = 1,372,125,388.52/57,479.06
  6. Step 6: Final answer
    x = 23,871.74

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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.