Home / 25,229.54-34,817.63-13,899.80

Finding the Fourth Proportional to 25,229.54, 34,817.63 and 13,899.80

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Solution

The fourth proportional to 25,229.54, 34,817.63 and 13,899.80 is: 19,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,229.54 : 34,817.63 = 13,899.80 : x
  2. Step 2: Convert to fraction form
    25,229.54/34,817.63 = 13,899.80/x
  3. Step 3: Cross multiply
    25,229.54x = 34,817.63 × 13,899.80
  4. Step 4: Simplify right side
    25,229.54x = 483,957,849.89
  5. Step 5: Solve for x
    x = 483,957,849.89/25,229.54
  6. Step 6: Final answer
    x = 19,182.19

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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.