Home / 25,555.23-38,313.63-17,211.81

Finding the Fourth Proportional to 25,555.23, 38,313.63 and 17,211.81

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Solution

The fourth proportional to 25,555.23, 38,313.63 and 17,211.81 is: 25,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,555.23 : 38,313.63 = 17,211.81 : x
  2. Step 2: Convert to fraction form
    25,555.23/38,313.63 = 17,211.81/x
  3. Step 3: Cross multiply
    25,555.23x = 38,313.63 × 17,211.81
  4. Step 4: Simplify right side
    25,555.23x = 659,446,919.97
  5. Step 5: Solve for x
    x = 659,446,919.97/25,555.23
  6. Step 6: Final answer
    x = 25,804.77

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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.