Home / 28,556.91-39,422.84-17,952.39

Finding the Fourth Proportional to 28,556.91, 39,422.84 and 17,952.39

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Solution

The fourth proportional to 28,556.91, 39,422.84 and 17,952.39 is: 24,783.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,556.91 : 39,422.84 = 17,952.39 : x
  2. Step 2: Convert to fraction form
    28,556.91/39,422.84 = 17,952.39/x
  3. Step 3: Cross multiply
    28,556.91x = 39,422.84 × 17,952.39
  4. Step 4: Simplify right side
    28,556.91x = 707,734,108.83
  5. Step 5: Solve for x
    x = 707,734,108.83/28,556.91
  6. Step 6: Final answer
    x = 24,783.29

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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.