Home / 28,451.52-42,676.20-7,675.56

Finding the Fourth Proportional to 28,451.52, 42,676.20 and 7,675.56

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Solution

The fourth proportional to 28,451.52, 42,676.20 and 7,675.56 is: 11,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,451.52 : 42,676.20 = 7,675.56 : x
  2. Step 2: Convert to fraction form
    28,451.52/42,676.20 = 7,675.56/x
  3. Step 3: Cross multiply
    28,451.52x = 42,676.20 × 7,675.56
  4. Step 4: Simplify right side
    28,451.52x = 327,563,733.67
  5. Step 5: Solve for x
    x = 327,563,733.67/28,451.52
  6. Step 6: Final answer
    x = 11,513.05

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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.