Home / 19,270.90-28,904.46-13,672.52

Finding the Fourth Proportional to 19,270.90, 28,904.46 and 13,672.52

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Solution

The fourth proportional to 19,270.90, 28,904.46 and 13,672.52 is: 20,507.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.90 : 28,904.46 = 13,672.52 : x
  2. Step 2: Convert to fraction form
    19,270.90/28,904.46 = 13,672.52/x
  3. Step 3: Cross multiply
    19,270.90x = 28,904.46 × 13,672.52
  4. Step 4: Simplify right side
    19,270.90x = 395,196,807.44
  5. Step 5: Solve for x
    x = 395,196,807.44/19,270.90
  6. Step 6: Final answer
    x = 20,507.44

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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.