Home / 26,984.34-37,236.60-20,615.22

Finding the Fourth Proportional to 26,984.34, 37,236.60 and 20,615.22

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Solution

The fourth proportional to 26,984.34, 37,236.60 and 20,615.22 is: 28,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,984.34 : 37,236.60 = 20,615.22 : x
  2. Step 2: Convert to fraction form
    26,984.34/37,236.60 = 20,615.22/x
  3. Step 3: Cross multiply
    26,984.34x = 37,236.60 × 20,615.22
  4. Step 4: Simplify right side
    26,984.34x = 767,640,701.05
  5. Step 5: Solve for x
    x = 767,640,701.05/26,984.34
  6. Step 6: Final answer
    x = 28,447.64

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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.