Home / 26,075.68-35,975.01-17,128

Finding the Fourth Proportional to 26,075.68, 35,975.01 and 17,128

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Solution

The fourth proportional to 26,075.68, 35,975.01 and 17,128 is: 23,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,075.68 : 35,975.01 = 17,128 : x
  2. Step 2: Convert to fraction form
    26,075.68/35,975.01 = 17,128/x
  3. Step 3: Cross multiply
    26,075.68x = 35,975.01 × 17,128
  4. Step 4: Simplify right side
    26,075.68x = 616,179,971.28
  5. Step 5: Solve for x
    x = 616,179,971.28/26,075.68
  6. Step 6: Final answer
    x = 23,630.45

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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.