Home / 21,425.92-29,575.53-17,440.11

Finding the Fourth Proportional to 21,425.92, 29,575.53 and 17,440.11

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Solution

The fourth proportional to 21,425.92, 29,575.53 and 17,440.11 is: 24,073.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425.92 : 29,575.53 = 17,440.11 : x
  2. Step 2: Convert to fraction form
    21,425.92/29,575.53 = 17,440.11/x
  3. Step 3: Cross multiply
    21,425.92x = 29,575.53 × 17,440.11
  4. Step 4: Simplify right side
    21,425.92x = 515,800,496.51
  5. Step 5: Solve for x
    x = 515,800,496.51/21,425.92
  6. Step 6: Final answer
    x = 24,073.67

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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.