Home / 19,255.94-28,900.28-7,577.36

Finding the Fourth Proportional to 19,255.94, 28,900.28 and 7,577.36

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Solution

The fourth proportional to 19,255.94, 28,900.28 and 7,577.36 is: 11,372.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255.94 : 28,900.28 = 7,577.36 : x
  2. Step 2: Convert to fraction form
    19,255.94/28,900.28 = 7,577.36/x
  3. Step 3: Cross multiply
    19,255.94x = 28,900.28 × 7,577.36
  4. Step 4: Simplify right side
    19,255.94x = 218,987,825.66
  5. Step 5: Solve for x
    x = 218,987,825.66/19,255.94
  6. Step 6: Final answer
    x = 11,372.48

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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.