Home / 28,860.98-39,837.22-16,929.14

Finding the Fourth Proportional to 28,860.98, 39,837.22 and 16,929.14

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Solution

The fourth proportional to 28,860.98, 39,837.22 and 16,929.14 is: 23,367.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.98 : 39,837.22 = 16,929.14 : x
  2. Step 2: Convert to fraction form
    28,860.98/39,837.22 = 16,929.14/x
  3. Step 3: Cross multiply
    28,860.98x = 39,837.22 × 16,929.14
  4. Step 4: Simplify right side
    28,860.98x = 674,409,633.08
  5. Step 5: Solve for x
    x = 674,409,633.08/28,860.98
  6. Step 6: Final answer
    x = 23,367.53

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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.