Home / 19,241.36-28,859.80-5,200.72

Finding the Fourth Proportional to 19,241.36, 28,859.80 and 5,200.72

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Solution

The fourth proportional to 19,241.36, 28,859.80 and 5,200.72 is: 7,800.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.36 : 28,859.80 = 5,200.72 : x
  2. Step 2: Convert to fraction form
    19,241.36/28,859.80 = 5,200.72/x
  3. Step 3: Cross multiply
    19,241.36x = 28,859.80 × 5,200.72
  4. Step 4: Simplify right side
    19,241.36x = 150,091,739.06
  5. Step 5: Solve for x
    x = 150,091,739.06/19,241.36
  6. Step 6: Final answer
    x = 7,800.47

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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.