Home / 25,999.57-39,021.23-11,219.70

Finding the Fourth Proportional to 25,999.57, 39,021.23 and 11,219.70

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Solution

The fourth proportional to 25,999.57, 39,021.23 and 11,219.70 is: 16,838.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,999.57 : 39,021.23 = 11,219.70 : x
  2. Step 2: Convert to fraction form
    25,999.57/39,021.23 = 11,219.70/x
  3. Step 3: Cross multiply
    25,999.57x = 39,021.23 × 11,219.70
  4. Step 4: Simplify right side
    25,999.57x = 437,806,494.23
  5. Step 5: Solve for x
    x = 437,806,494.23/25,999.57
  6. Step 6: Final answer
    x = 16,838.99

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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.