Home / 19,239.84-28,861.74-5,199.95

Finding the Fourth Proportional to 19,239.84, 28,861.74 and 5,199.95

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Solution

The fourth proportional to 19,239.84, 28,861.74 and 5,199.95 is: 7,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.84 : 28,861.74 = 5,199.95 : x
  2. Step 2: Convert to fraction form
    19,239.84/28,861.74 = 5,199.95/x
  3. Step 3: Cross multiply
    19,239.84x = 28,861.74 × 5,199.95
  4. Step 4: Simplify right side
    19,239.84x = 150,079,460.60
  5. Step 5: Solve for x
    x = 150,079,460.60/19,239.84
  6. Step 6: Final answer
    x = 7,800.45

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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.