Home / 53,205.38-79,809.28-15,764.75

Finding the Fourth Proportional to 53,205.38, 79,809.28 and 15,764.75

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Solution

The fourth proportional to 53,205.38, 79,809.28 and 15,764.75 is: 23,647.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,205.38 : 79,809.28 = 15,764.75 : x
  2. Step 2: Convert to fraction form
    53,205.38/79,809.28 = 15,764.75/x
  3. Step 3: Cross multiply
    53,205.38x = 79,809.28 × 15,764.75
  4. Step 4: Simplify right side
    53,205.38x = 1,258,172,908.42
  5. Step 5: Solve for x
    x = 1,258,172,908.42/53,205.38
  6. Step 6: Final answer
    x = 23,647.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.