Home / 26,684.40-36,841.56-17,128.38

Finding the Fourth Proportional to 26,684.40, 36,841.56 and 17,128.38

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Solution

The fourth proportional to 26,684.40, 36,841.56 and 17,128.38 is: 23,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,684.40 : 36,841.56 = 17,128.38 : x
  2. Step 2: Convert to fraction form
    26,684.40/36,841.56 = 17,128.38/x
  3. Step 3: Cross multiply
    26,684.40x = 36,841.56 × 17,128.38
  4. Step 4: Simplify right side
    26,684.40x = 631,036,239.47
  5. Step 5: Solve for x
    x = 631,036,239.47/26,684.40
  6. Step 6: Final answer
    x = 23,648.13

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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.