Home / 17,419.16-26,128.49-4,271.63

Finding the Fourth Proportional to 17,419.16, 26,128.49 and 4,271.63

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Solution

The fourth proportional to 17,419.16, 26,128.49 and 4,271.63 is: 6,407.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,419.16 : 26,128.49 = 4,271.63 : x
  2. Step 2: Convert to fraction form
    17,419.16/26,128.49 = 4,271.63/x
  3. Step 3: Cross multiply
    17,419.16x = 26,128.49 × 4,271.63
  4. Step 4: Simplify right side
    17,419.16x = 111,611,220.38
  5. Step 5: Solve for x
    x = 111,611,220.38/17,419.16
  6. Step 6: Final answer
    x = 6,407.38

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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.