Home / 19,181.37-28,733.78-15,239.30

Finding the Fourth Proportional to 19,181.37, 28,733.78 and 15,239.30

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Solution

The fourth proportional to 19,181.37, 28,733.78 and 15,239.30 is: 22,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181.37 : 28,733.78 = 15,239.30 : x
  2. Step 2: Convert to fraction form
    19,181.37/28,733.78 = 15,239.30/x
  3. Step 3: Cross multiply
    19,181.37x = 28,733.78 × 15,239.30
  4. Step 4: Simplify right side
    19,181.37x = 437,882,803.49
  5. Step 5: Solve for x
    x = 437,882,803.49/19,181.37
  6. Step 6: Final answer
    x = 22,828.55

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1.5x scale

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.