Home / 37,788.28-52,147.88-21,021.28

Finding the Fourth Proportional to 37,788.28, 52,147.88 and 21,021.28

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Solution

The fourth proportional to 37,788.28, 52,147.88 and 21,021.28 is: 29,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,788.28 : 52,147.88 = 21,021.28 : x
  2. Step 2: Convert to fraction form
    37,788.28/52,147.88 = 21,021.28/x
  3. Step 3: Cross multiply
    37,788.28x = 52,147.88 × 21,021.28
  4. Step 4: Simplify right side
    37,788.28x = 1,096,215,225.79
  5. Step 5: Solve for x
    x = 1,096,215,225.79/37,788.28
  6. Step 6: Final answer
    x = 29,009.40

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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.