Home / 28,604.10-42,901.56-7,822.74

Finding the Fourth Proportional to 28,604.10, 42,901.56 and 7,822.74

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Solution

The fourth proportional to 28,604.10, 42,901.56 and 7,822.74 is: 11,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,604.10 : 42,901.56 = 7,822.74 : x
  2. Step 2: Convert to fraction form
    28,604.10/42,901.56 = 7,822.74/x
  3. Step 3: Cross multiply
    28,604.10x = 42,901.56 × 7,822.74
  4. Step 4: Simplify right side
    28,604.10x = 335,607,749.47
  5. Step 5: Solve for x
    x = 335,607,749.47/28,604.10
  6. Step 6: Final answer
    x = 11,732.85

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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.