Home / 24,431.40-33,715.32-13,820.78

Finding the Fourth Proportional to 24,431.40, 33,715.32 and 13,820.78

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Solution

The fourth proportional to 24,431.40, 33,715.32 and 13,820.78 is: 19,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,431.40 : 33,715.32 = 13,820.78 : x
  2. Step 2: Convert to fraction form
    24,431.40/33,715.32 = 13,820.78/x
  3. Step 3: Cross multiply
    24,431.40x = 33,715.32 × 13,820.78
  4. Step 4: Simplify right side
    24,431.40x = 465,972,020.35
  5. Step 5: Solve for x
    x = 465,972,020.35/24,431.40
  6. Step 6: Final answer
    x = 19,072.67

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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.