Home / 28,206.83-42,310.25-14,365.55

Finding the Fourth Proportional to 28,206.83, 42,310.25 and 14,365.55

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Solution

The fourth proportional to 28,206.83, 42,310.25 and 14,365.55 is: 21,548.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,206.83 : 42,310.25 = 14,365.55 : x
  2. Step 2: Convert to fraction form
    28,206.83/42,310.25 = 14,365.55/x
  3. Step 3: Cross multiply
    28,206.83x = 42,310.25 × 14,365.55
  4. Step 4: Simplify right side
    28,206.83x = 607,809,940.06
  5. Step 5: Solve for x
    x = 607,809,940.06/28,206.83
  6. Step 6: Final answer
    x = 21,548.33

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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.