Home / 25,139.75-34,692.86-13,961.75

Finding the Fourth Proportional to 25,139.75, 34,692.86 and 13,961.75

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Solution

The fourth proportional to 25,139.75, 34,692.86 and 13,961.75 is: 19,267.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,139.75 : 34,692.86 = 13,961.75 : x
  2. Step 2: Convert to fraction form
    25,139.75/34,692.86 = 13,961.75/x
  3. Step 3: Cross multiply
    25,139.75x = 34,692.86 × 13,961.75
  4. Step 4: Simplify right side
    25,139.75x = 484,373,038.11
  5. Step 5: Solve for x
    x = 484,373,038.11/25,139.75
  6. Step 6: Final answer
    x = 19,267.22

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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.