Home / 28,436.34-42,665.58-11,792.19

Finding the Fourth Proportional to 28,436.34, 42,665.58 and 11,792.19

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Solution

The fourth proportional to 28,436.34, 42,665.58 and 11,792.19 is: 17,692.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,436.34 : 42,665.58 = 11,792.19 : x
  2. Step 2: Convert to fraction form
    28,436.34/42,665.58 = 11,792.19/x
  3. Step 3: Cross multiply
    28,436.34x = 42,665.58 × 11,792.19
  4. Step 4: Simplify right side
    28,436.34x = 503,120,625.82
  5. Step 5: Solve for x
    x = 503,120,625.82/28,436.34
  6. Step 6: Final answer
    x = 17,692.88

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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.