Home / 28,701.56-43,052.28-7,925

Finding the Fourth Proportional to 28,701.56, 43,052.28 and 7,925

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Solution

The fourth proportional to 28,701.56, 43,052.28 and 7,925 is: 11,887.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,701.56 : 43,052.28 = 7,925 : x
  2. Step 2: Convert to fraction form
    28,701.56/43,052.28 = 7,925/x
  3. Step 3: Cross multiply
    28,701.56x = 43,052.28 × 7,925
  4. Step 4: Simplify right side
    28,701.56x = 341,189,319
  5. Step 5: Solve for x
    x = 341,189,319/28,701.56
  6. Step 6: Final answer
    x = 11,887.48

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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.