Home / 28,186.70-42,283.69-8,467.25

Finding the Fourth Proportional to 28,186.70, 42,283.69 and 8,467.25

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Solution

The fourth proportional to 28,186.70, 42,283.69 and 8,467.25 is: 12,701.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186.70 : 42,283.69 = 8,467.25 : x
  2. Step 2: Convert to fraction form
    28,186.70/42,283.69 = 8,467.25/x
  3. Step 3: Cross multiply
    28,186.70x = 42,283.69 × 8,467.25
  4. Step 4: Simplify right side
    28,186.70x = 358,026,341.57
  5. Step 5: Solve for x
    x = 358,026,341.57/28,186.70
  6. Step 6: Final answer
    x = 12,701.96

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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.