Home / 17,723.70-24,451.74-15,485.67

Finding the Fourth Proportional to 17,723.70, 24,451.74 and 15,485.67

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Solution

The fourth proportional to 17,723.70, 24,451.74 and 15,485.67 is: 21,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,723.70 : 24,451.74 = 15,485.67 : x
  2. Step 2: Convert to fraction form
    17,723.70/24,451.74 = 15,485.67/x
  3. Step 3: Cross multiply
    17,723.70x = 24,451.74 × 15,485.67
  4. Step 4: Simplify right side
    17,723.70x = 378,651,576.57
  5. Step 5: Solve for x
    x = 378,651,576.57/17,723.70
  6. Step 6: Final answer
    x = 21,364.14

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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.