Home / 28,225.44-42,311.67-9,492.38

Finding the Fourth Proportional to 28,225.44, 42,311.67 and 9,492.38

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Solution

The fourth proportional to 28,225.44, 42,311.67 and 9,492.38 is: 14,229.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,225.44 : 42,311.67 = 9,492.38 : x
  2. Step 2: Convert to fraction form
    28,225.44/42,311.67 = 9,492.38/x
  3. Step 3: Cross multiply
    28,225.44x = 42,311.67 × 9,492.38
  4. Step 4: Simplify right side
    28,225.44x = 401,638,238.52
  5. Step 5: Solve for x
    x = 401,638,238.52/28,225.44
  6. Step 6: Final answer
    x = 14,229.65

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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.