Home / 19,015.20-28,525.84-5,864.48

Finding the Fourth Proportional to 19,015.20, 28,525.84 and 5,864.48

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Solution

The fourth proportional to 19,015.20, 28,525.84 and 5,864.48 is: 8,797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.20 : 28,525.84 = 5,864.48 : x
  2. Step 2: Convert to fraction form
    19,015.20/28,525.84 = 5,864.48/x
  3. Step 3: Cross multiply
    19,015.20x = 28,525.84 × 5,864.48
  4. Step 4: Simplify right side
    19,015.20x = 167,289,218.16
  5. Step 5: Solve for x
    x = 167,289,218.16/19,015.20
  6. Step 6: Final answer
    x = 8,797.66

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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.