Home / 19,022.72-28,529.28-9,159.44

Finding the Fourth Proportional to 19,022.72, 28,529.28 and 9,159.44

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Solution

The fourth proportional to 19,022.72, 28,529.28 and 9,159.44 is: 13,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.72 : 28,529.28 = 9,159.44 : x
  2. Step 2: Convert to fraction form
    19,022.72/28,529.28 = 9,159.44/x
  3. Step 3: Cross multiply
    19,022.72x = 28,529.28 × 9,159.44
  4. Step 4: Simplify right side
    19,022.72x = 261,312,228.40
  5. Step 5: Solve for x
    x = 261,312,228.40/19,022.72
  6. Step 6: Final answer
    x = 13,736.85

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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.