Home / 25,819.19-38,724.74-7,100.63

Finding the Fourth Proportional to 25,819.19, 38,724.74 and 7,100.63

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Solution

The fourth proportional to 25,819.19, 38,724.74 and 7,100.63 is: 10,649.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,819.19 : 38,724.74 = 7,100.63 : x
  2. Step 2: Convert to fraction form
    25,819.19/38,724.74 = 7,100.63/x
  3. Step 3: Cross multiply
    25,819.19x = 38,724.74 × 7,100.63
  4. Step 4: Simplify right side
    25,819.19x = 274,970,015.08
  5. Step 5: Solve for x
    x = 274,970,015.08/25,819.19
  6. Step 6: Final answer
    x = 10,649.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.