Home / 23,626.40-35,397.36-13,220

Finding the Fourth Proportional to 23,626.40, 35,397.36 and 13,220

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Solution

The fourth proportional to 23,626.40, 35,397.36 and 13,220 is: 19,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,626.40 : 35,397.36 = 13,220 : x
  2. Step 2: Convert to fraction form
    23,626.40/35,397.36 = 13,220/x
  3. Step 3: Cross multiply
    23,626.40x = 35,397.36 × 13,220
  4. Step 4: Simplify right side
    23,626.40x = 467,953,099.20
  5. Step 5: Solve for x
    x = 467,953,099.20/23,626.40
  6. Step 6: Final answer
    x = 19,806.36

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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.