Home / 40,216.08-60,314.40-16,860

Finding the Fourth Proportional to 40,216.08, 60,314.40 and 16,860

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Solution

The fourth proportional to 40,216.08, 60,314.40 and 16,860 is: 25,285.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,216.08 : 60,314.40 = 16,860 : x
  2. Step 2: Convert to fraction form
    40,216.08/60,314.40 = 16,860/x
  3. Step 3: Cross multiply
    40,216.08x = 60,314.40 × 16,860
  4. Step 4: Simplify right side
    40,216.08x = 1,016,900,784
  5. Step 5: Solve for x
    x = 1,016,900,784/40,216.08
  6. Step 6: Final answer
    x = 25,285.93

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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.