Home / 26,172.36-39,261.78-8,637.48

Finding the Fourth Proportional to 26,172.36, 39,261.78 and 8,637.48

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Solution

The fourth proportional to 26,172.36, 39,261.78 and 8,637.48 is: 12,957.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,172.36 : 39,261.78 = 8,637.48 : x
  2. Step 2: Convert to fraction form
    26,172.36/39,261.78 = 8,637.48/x
  3. Step 3: Cross multiply
    26,172.36x = 39,261.78 × 8,637.48
  4. Step 4: Simplify right side
    26,172.36x = 339,122,839.51
  5. Step 5: Solve for x
    x = 339,122,839.51/26,172.36
  6. Step 6: Final answer
    x = 12,957.29

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1.5x scale

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.