Home / 28,493.88-39,291.36-19,554.44

Finding the Fourth Proportional to 28,493.88, 39,291.36 and 19,554.44

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Solution

The fourth proportional to 28,493.88, 39,291.36 and 19,554.44 is: 26,964.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,493.88 : 39,291.36 = 19,554.44 : x
  2. Step 2: Convert to fraction form
    28,493.88/39,291.36 = 19,554.44/x
  3. Step 3: Cross multiply
    28,493.88x = 39,291.36 × 19,554.44
  4. Step 4: Simplify right side
    28,493.88x = 768,320,541.64
  5. Step 5: Solve for x
    x = 768,320,541.64/28,493.88
  6. Step 6: Final answer
    x = 26,964.41

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1.5x scale

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.