Home / 25,621.55-35,357.78-14,291.78

Finding the Fourth Proportional to 25,621.55, 35,357.78 and 14,291.78

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Solution

The fourth proportional to 25,621.55, 35,357.78 and 14,291.78 is: 19,722.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,621.55 : 35,357.78 = 14,291.78 : x
  2. Step 2: Convert to fraction form
    25,621.55/35,357.78 = 14,291.78/x
  3. Step 3: Cross multiply
    25,621.55x = 35,357.78 × 14,291.78
  4. Step 4: Simplify right side
    25,621.55x = 505,325,471.99
  5. Step 5: Solve for x
    x = 505,325,471.99/25,621.55
  6. Step 6: Final answer
    x = 19,722.67

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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.