Home / 28,051.72-38,690.97-17,282.30

Finding the Fourth Proportional to 28,051.72, 38,690.97 and 17,282.30

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Solution

The fourth proportional to 28,051.72, 38,690.97 and 17,282.30 is: 23,837.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051.72 : 38,690.97 = 17,282.30 : x
  2. Step 2: Convert to fraction form
    28,051.72/38,690.97 = 17,282.30/x
  3. Step 3: Cross multiply
    28,051.72x = 38,690.97 × 17,282.30
  4. Step 4: Simplify right side
    28,051.72x = 668,668,692.57
  5. Step 5: Solve for x
    x = 668,668,692.57/28,051.72
  6. Step 6: Final answer
    x = 23,837.00

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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.