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Finding the Fourth Proportional to 37,882.52, 52,278.01 and 20,886.40

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Solution

The fourth proportional to 37,882.52, 52,278.01 and 20,886.40 is: 28,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,882.52 : 52,278.01 = 20,886.40 : x
  2. Step 2: Convert to fraction form
    37,882.52/52,278.01 = 20,886.40/x
  3. Step 3: Cross multiply
    37,882.52x = 52,278.01 × 20,886.40
  4. Step 4: Simplify right side
    37,882.52x = 1,091,899,428.06
  5. Step 5: Solve for x
    x = 1,091,899,428.06/37,882.52
  6. Step 6: Final answer
    x = 28,823.30

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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.