Home / 53,258.27-79,889.42-17,722.76

Finding the Fourth Proportional to 53,258.27, 79,889.42 and 17,722.76

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Solution

The fourth proportional to 53,258.27, 79,889.42 and 17,722.76 is: 26,584.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,258.27 : 79,889.42 = 17,722.76 : x
  2. Step 2: Convert to fraction form
    53,258.27/79,889.42 = 17,722.76/x
  3. Step 3: Cross multiply
    53,258.27x = 79,889.42 × 17,722.76
  4. Step 4: Simplify right side
    53,258.27x = 1,415,860,662.06
  5. Step 5: Solve for x
    x = 1,415,860,662.06/53,258.27
  6. Step 6: Final answer
    x = 26,584.81

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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.