Home / 37,886.28-52,263.84-28,918.20

Finding the Fourth Proportional to 37,886.28, 52,263.84 and 28,918.20

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Solution

The fourth proportional to 37,886.28, 52,263.84 and 28,918.20 is: 39,892.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,886.28 : 52,263.84 = 28,918.20 : x
  2. Step 2: Convert to fraction form
    37,886.28/52,263.84 = 28,918.20/x
  3. Step 3: Cross multiply
    37,886.28x = 52,263.84 × 28,918.20
  4. Step 4: Simplify right side
    37,886.28x = 1,511,376,177.89
  5. Step 5: Solve for x
    x = 1,511,376,177.89/37,886.28
  6. Step 6: Final answer
    x = 39,892.44

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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.