Home / 25,100.19-34,638.52-13,769.70

Finding the Fourth Proportional to 25,100.19, 34,638.52 and 13,769.70

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Solution

The fourth proportional to 25,100.19, 34,638.52 and 13,769.70 is: 19,002.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,100.19 : 34,638.52 = 13,769.70 : x
  2. Step 2: Convert to fraction form
    25,100.19/34,638.52 = 13,769.70/x
  3. Step 3: Cross multiply
    25,100.19x = 34,638.52 × 13,769.70
  4. Step 4: Simplify right side
    25,100.19x = 476,962,028.84
  5. Step 5: Solve for x
    x = 476,962,028.84/25,100.19
  6. Step 6: Final answer
    x = 19,002.33

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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.