Home / 28,185.92-42,283.74-9,467.76

Finding the Fourth Proportional to 28,185.92, 42,283.74 and 9,467.76

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Solution

The fourth proportional to 28,185.92, 42,283.74 and 9,467.76 is: 14,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,185.92 : 42,283.74 = 9,467.76 : x
  2. Step 2: Convert to fraction form
    28,185.92/42,283.74 = 9,467.76/x
  3. Step 3: Cross multiply
    28,185.92x = 42,283.74 × 9,467.76
  4. Step 4: Simplify right side
    28,185.92x = 400,332,043.46
  5. Step 5: Solve for x
    x = 400,332,043.46/28,185.92
  6. Step 6: Final answer
    x = 14,203.26

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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.