Home / 25,021.22-34,529.30-13,690.54

Finding the Fourth Proportional to 25,021.22, 34,529.30 and 13,690.54

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Solution

The fourth proportional to 25,021.22, 34,529.30 and 13,690.54 is: 18,892.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,021.22 : 34,529.30 = 13,690.54 : x
  2. Step 2: Convert to fraction form
    25,021.22/34,529.30 = 13,690.54/x
  3. Step 3: Cross multiply
    25,021.22x = 34,529.30 × 13,690.54
  4. Step 4: Simplify right side
    25,021.22x = 472,724,762.82
  5. Step 5: Solve for x
    x = 472,724,762.82/25,021.22
  6. Step 6: Final answer
    x = 18,892.95

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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.