Home / 25,880.86-38,813.10-11,085.85

Finding the Fourth Proportional to 25,880.86, 38,813.10 and 11,085.85

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Solution

The fourth proportional to 25,880.86, 38,813.10 and 11,085.85 is: 16,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,880.86 : 38,813.10 = 11,085.85 : x
  2. Step 2: Convert to fraction form
    25,880.86/38,813.10 = 11,085.85/x
  3. Step 3: Cross multiply
    25,880.86x = 38,813.10 × 11,085.85
  4. Step 4: Simplify right side
    25,880.86x = 430,276,204.64
  5. Step 5: Solve for x
    x = 430,276,204.64/25,880.86
  6. Step 6: Final answer
    x = 16,625.27

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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.