Home / 28,215.33-42,319.54-16,375.55

Finding the Fourth Proportional to 28,215.33, 42,319.54 and 16,375.55

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Solution

The fourth proportional to 28,215.33, 42,319.54 and 16,375.55 is: 24,561.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,215.33 : 42,319.54 = 16,375.55 : x
  2. Step 2: Convert to fraction form
    28,215.33/42,319.54 = 16,375.55/x
  3. Step 3: Cross multiply
    28,215.33x = 42,319.54 × 16,375.55
  4. Step 4: Simplify right side
    28,215.33x = 693,005,743.25
  5. Step 5: Solve for x
    x = 693,005,743.25/28,215.33
  6. Step 6: Final answer
    x = 24,561.32

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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.