Home / 28,685.76-39,589.74-16,110.48

Finding the Fourth Proportional to 28,685.76, 39,589.74 and 16,110.48

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Solution

The fourth proportional to 28,685.76, 39,589.74 and 16,110.48 is: 22,234.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685.76 : 39,589.74 = 16,110.48 : x
  2. Step 2: Convert to fraction form
    28,685.76/39,589.74 = 16,110.48/x
  3. Step 3: Cross multiply
    28,685.76x = 39,589.74 × 16,110.48
  4. Step 4: Simplify right side
    28,685.76x = 637,809,714.48
  5. Step 5: Solve for x
    x = 637,809,714.48/28,685.76
  6. Step 6: Final answer
    x = 22,234.37

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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.