Home / 28,625.24-42,950.22-15,486.86

Finding the Fourth Proportional to 28,625.24, 42,950.22 and 15,486.86

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Solution

The fourth proportional to 28,625.24, 42,950.22 and 15,486.86 is: 23,236.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,625.24 : 42,950.22 = 15,486.86 : x
  2. Step 2: Convert to fraction form
    28,625.24/42,950.22 = 15,486.86/x
  3. Step 3: Cross multiply
    28,625.24x = 42,950.22 × 15,486.86
  4. Step 4: Simplify right side
    28,625.24x = 665,164,044.11
  5. Step 5: Solve for x
    x = 665,164,044.11/28,625.24
  6. Step 6: Final answer
    x = 23,236.98

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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.