Home / 19,675.83-27,291.70-18,966.54

Finding the Fourth Proportional to 19,675.83, 27,291.70 and 18,966.54

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Solution

The fourth proportional to 19,675.83, 27,291.70 and 18,966.54 is: 26,307.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.83 : 27,291.70 = 18,966.54 : x
  2. Step 2: Convert to fraction form
    19,675.83/27,291.70 = 18,966.54/x
  3. Step 3: Cross multiply
    19,675.83x = 27,291.70 × 18,966.54
  4. Step 4: Simplify right side
    19,675.83x = 517,629,119.72
  5. Step 5: Solve for x
    x = 517,629,119.72/19,675.83
  6. Step 6: Final answer
    x = 26,307.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.