Home / 28,325.59-42,477.83-8,329.73

Finding the Fourth Proportional to 28,325.59, 42,477.83 and 8,329.73

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Solution

The fourth proportional to 28,325.59, 42,477.83 and 8,329.73 is: 12,491.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,325.59 : 42,477.83 = 8,329.73 : x
  2. Step 2: Convert to fraction form
    28,325.59/42,477.83 = 8,329.73/x
  3. Step 3: Cross multiply
    28,325.59x = 42,477.83 × 8,329.73
  4. Step 4: Simplify right side
    28,325.59x = 353,828,600.85
  5. Step 5: Solve for x
    x = 353,828,600.85/28,325.59
  6. Step 6: Final answer
    x = 12,491.48

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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.