Home / 37,878.42-52,272.58-20,883.28

Finding the Fourth Proportional to 37,878.42, 52,272.58 and 20,883.28

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Solution

The fourth proportional to 37,878.42, 52,272.58 and 20,883.28 is: 28,819.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,878.42 : 52,272.58 = 20,883.28 : x
  2. Step 2: Convert to fraction form
    37,878.42/52,272.58 = 20,883.28/x
  3. Step 3: Cross multiply
    37,878.42x = 52,272.58 × 20,883.28
  4. Step 4: Simplify right side
    37,878.42x = 1,091,622,924.46
  5. Step 5: Solve for x
    x = 1,091,622,924.46/37,878.42
  6. Step 6: Final answer
    x = 28,819.13

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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.