Home / 53,235.28-79,839.28-15,786.60

Finding the Fourth Proportional to 53,235.28, 79,839.28 and 15,786.60

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Solution

The fourth proportional to 53,235.28, 79,839.28 and 15,786.60 is: 23,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,235.28 : 79,839.28 = 15,786.60 : x
  2. Step 2: Convert to fraction form
    53,235.28/79,839.28 = 15,786.60/x
  3. Step 3: Cross multiply
    53,235.28x = 79,839.28 × 15,786.60
  4. Step 4: Simplify right side
    53,235.28x = 1,260,390,777.65
  5. Step 5: Solve for x
    x = 1,260,390,777.65/53,235.28
  6. Step 6: Final answer
    x = 23,675.86

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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.