Home / 19,180.06-28,731.81-15,237.99

Finding the Fourth Proportional to 19,180.06, 28,731.81 and 15,237.99

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Solution

The fourth proportional to 19,180.06, 28,731.81 and 15,237.99 is: 22,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180.06 : 28,731.81 = 15,237.99 : x
  2. Step 2: Convert to fraction form
    19,180.06/28,731.81 = 15,237.99/x
  3. Step 3: Cross multiply
    19,180.06x = 28,731.81 × 15,237.99
  4. Step 4: Simplify right side
    19,180.06x = 437,815,090.60
  5. Step 5: Solve for x
    x = 437,815,090.60/19,180.06
  6. Step 6: Final answer
    x = 22,826.58

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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.