Home / 19,043.88-28,570.50-15,379.32

Finding the Fourth Proportional to 19,043.88, 28,570.50 and 15,379.32

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Solution

The fourth proportional to 19,043.88, 28,570.50 and 15,379.32 is: 23,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.88 : 28,570.50 = 15,379.32 : x
  2. Step 2: Convert to fraction form
    19,043.88/28,570.50 = 15,379.32/x
  3. Step 3: Cross multiply
    19,043.88x = 28,570.50 × 15,379.32
  4. Step 4: Simplify right side
    19,043.88x = 439,394,862.06
  5. Step 5: Solve for x
    x = 439,394,862.06/19,043.88
  6. Step 6: Final answer
    x = 23,072.76

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1.5x scale

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.