Home / 28,855.38-43,307.63-11,337.46

Finding the Fourth Proportional to 28,855.38, 43,307.63 and 11,337.46

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Solution

The fourth proportional to 28,855.38, 43,307.63 and 11,337.46 is: 17,015.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,855.38 : 43,307.63 = 11,337.46 : x
  2. Step 2: Convert to fraction form
    28,855.38/43,307.63 = 11,337.46/x
  3. Step 3: Cross multiply
    28,855.38x = 43,307.63 × 11,337.46
  4. Step 4: Simplify right side
    28,855.38x = 490,998,522.82
  5. Step 5: Solve for x
    x = 490,998,522.82/28,855.38
  6. Step 6: Final answer
    x = 17,015.84

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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.