Home / 25,699.18-38,520.43-16,810.82

Finding the Fourth Proportional to 25,699.18, 38,520.43 and 16,810.82

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Solution

The fourth proportional to 25,699.18, 38,520.43 and 16,810.82 is: 25,197.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,699.18 : 38,520.43 = 16,810.82 : x
  2. Step 2: Convert to fraction form
    25,699.18/38,520.43 = 16,810.82/x
  3. Step 3: Cross multiply
    25,699.18x = 38,520.43 × 16,810.82
  4. Step 4: Simplify right side
    25,699.18x = 647,560,015.05
  5. Step 5: Solve for x
    x = 647,560,015.05/25,699.18
  6. Step 6: Final answer
    x = 25,197.69

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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.