Home / 19,240.36-28,861.98-5,390.44

Finding the Fourth Proportional to 19,240.36, 28,861.98 and 5,390.44

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Solution

The fourth proportional to 19,240.36, 28,861.98 and 5,390.44 is: 8,086.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.36 : 28,861.98 = 5,390.44 : x
  2. Step 2: Convert to fraction form
    19,240.36/28,861.98 = 5,390.44/x
  3. Step 3: Cross multiply
    19,240.36x = 28,861.98 × 5,390.44
  4. Step 4: Simplify right side
    19,240.36x = 155,578,771.47
  5. Step 5: Solve for x
    x = 155,578,771.47/19,240.36
  6. Step 6: Final answer
    x = 8,086.06

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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.