Home / 28,335.42-42,503.94-16,640.64

Finding the Fourth Proportional to 28,335.42, 42,503.94 and 16,640.64

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Solution

The fourth proportional to 28,335.42, 42,503.94 and 16,640.64 is: 24,961.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,335.42 : 42,503.94 = 16,640.64 : x
  2. Step 2: Convert to fraction form
    28,335.42/42,503.94 = 16,640.64/x
  3. Step 3: Cross multiply
    28,335.42x = 42,503.94 × 16,640.64
  4. Step 4: Simplify right side
    28,335.42x = 707,292,764.12
  5. Step 5: Solve for x
    x = 707,292,764.12/28,335.42
  6. Step 6: Final answer
    x = 24,961.44

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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.