Home / 57,986.40-86,980.48-16,433.36

Finding the Fourth Proportional to 57,986.40, 86,980.48 and 16,433.36

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Solution

The fourth proportional to 57,986.40, 86,980.48 and 16,433.36 is: 24,650.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,986.40 : 86,980.48 = 16,433.36 : x
  2. Step 2: Convert to fraction form
    57,986.40/86,980.48 = 16,433.36/x
  3. Step 3: Cross multiply
    57,986.40x = 86,980.48 × 16,433.36
  4. Step 4: Simplify right side
    57,986.40x = 1,429,381,540.81
  5. Step 5: Solve for x
    x = 1,429,381,540.81/57,986.40
  6. Step 6: Final answer
    x = 24,650.29

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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.