Home / 28,532.26-42,798.48-7,755.76

Finding the Fourth Proportional to 28,532.26, 42,798.48 and 7,755.76

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Solution

The fourth proportional to 28,532.26, 42,798.48 and 7,755.76 is: 11,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,532.26 : 42,798.48 = 7,755.76 : x
  2. Step 2: Convert to fraction form
    28,532.26/42,798.48 = 7,755.76/x
  3. Step 3: Cross multiply
    28,532.26x = 42,798.48 × 7,755.76
  4. Step 4: Simplify right side
    28,532.26x = 331,934,739.24
  5. Step 5: Solve for x
    x = 331,934,739.24/28,532.26
  6. Step 6: Final answer
    x = 11,633.66

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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.