Home / 37,872.35-52,261.46-20,876.72

Finding the Fourth Proportional to 37,872.35, 52,261.46 and 20,876.72

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Solution

The fourth proportional to 37,872.35, 52,261.46 and 20,876.72 is: 28,808.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,872.35 : 52,261.46 = 20,876.72 : x
  2. Step 2: Convert to fraction form
    37,872.35/52,261.46 = 20,876.72/x
  3. Step 3: Cross multiply
    37,872.35x = 52,261.46 × 20,876.72
  4. Step 4: Simplify right side
    37,872.35x = 1,091,048,050.06
  5. Step 5: Solve for x
    x = 1,091,048,050.06/37,872.35
  6. Step 6: Final answer
    x = 28,808.57

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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.