Home / 27,091.84-40,637.74-17,790.60

Finding the Fourth Proportional to 27,091.84, 40,637.74 and 17,790.60

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Solution

The fourth proportional to 27,091.84, 40,637.74 and 17,790.60 is: 26,685.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,091.84 : 40,637.74 = 17,790.60 : x
  2. Step 2: Convert to fraction form
    27,091.84/40,637.74 = 17,790.60/x
  3. Step 3: Cross multiply
    27,091.84x = 40,637.74 × 17,790.60
  4. Step 4: Simplify right side
    27,091.84x = 722,969,777.24
  5. Step 5: Solve for x
    x = 722,969,777.24/27,091.84
  6. Step 6: Final answer
    x = 26,685.89

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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.