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Finding the Fourth Proportional to 37,868, 52,237.96 and 28,899.88

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Solution

The fourth proportional to 37,868, 52,237.96 and 28,899.88 is: 39,866.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,868 : 52,237.96 = 28,899.88 : x
  2. Step 2: Convert to fraction form
    37,868/52,237.96 = 28,899.88/x
  3. Step 3: Cross multiply
    37,868x = 52,237.96 × 28,899.88
  4. Step 4: Simplify right side
    37,868x = 1,509,670,775.44
  5. Step 5: Solve for x
    x = 1,509,670,775.44/37,868
  6. Step 6: Final answer
    x = 39,866.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.