Home / 20,599.70-28,427.41-11,648.96

Finding the Fourth Proportional to 20,599.70, 28,427.41 and 11,648.96

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Solution

The fourth proportional to 20,599.70, 28,427.41 and 11,648.96 is: 16,075.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599.70 : 28,427.41 = 11,648.96 : x
  2. Step 2: Convert to fraction form
    20,599.70/28,427.41 = 11,648.96/x
  3. Step 3: Cross multiply
    20,599.70x = 28,427.41 × 11,648.96
  4. Step 4: Simplify right side
    20,599.70x = 331,149,590.73
  5. Step 5: Solve for x
    x = 331,149,590.73/20,599.70
  6. Step 6: Final answer
    x = 16,075.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.