Home / 25,102.37-34,640.12-13,771.62

Finding the Fourth Proportional to 25,102.37, 34,640.12 and 13,771.62

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Solution

The fourth proportional to 25,102.37, 34,640.12 and 13,771.62 is: 19,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,102.37 : 34,640.12 = 13,771.62 : x
  2. Step 2: Convert to fraction form
    25,102.37/34,640.12 = 13,771.62/x
  3. Step 3: Cross multiply
    25,102.37x = 34,640.12 × 13,771.62
  4. Step 4: Simplify right side
    25,102.37x = 477,050,603.82
  5. Step 5: Solve for x
    x = 477,050,603.82/25,102.37
  6. Step 6: Final answer
    x = 19,004.20

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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.