Home / 15,975.88-23,899.58-13,807.88

Finding the Fourth Proportional to 15,975.88, 23,899.58 and 13,807.88

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Solution

The fourth proportional to 15,975.88, 23,899.58 and 13,807.88 is: 20,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,975.88 : 23,899.58 = 13,807.88 : x
  2. Step 2: Convert to fraction form
    15,975.88/23,899.58 = 13,807.88/x
  3. Step 3: Cross multiply
    15,975.88x = 23,899.58 × 13,807.88
  4. Step 4: Simplify right side
    15,975.88x = 330,002,532.69
  5. Step 5: Solve for x
    x = 330,002,532.69/15,975.88
  6. Step 6: Final answer
    x = 20,656.30

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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.