Home / 28,207.33-42,316.58-12,625.09

Finding the Fourth Proportional to 28,207.33, 42,316.58 and 12,625.09

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Solution

The fourth proportional to 28,207.33, 42,316.58 and 12,625.09 is: 18,940.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,207.33 : 42,316.58 = 12,625.09 : x
  2. Step 2: Convert to fraction form
    28,207.33/42,316.58 = 12,625.09/x
  3. Step 3: Cross multiply
    28,207.33x = 42,316.58 × 12,625.09
  4. Step 4: Simplify right side
    28,207.33x = 534,250,630.99
  5. Step 5: Solve for x
    x = 534,250,630.99/28,207.33
  6. Step 6: Final answer
    x = 18,940.13

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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.