Home / 31,217.28-43,128.36-26,173.68

Finding the Fourth Proportional to 31,217.28, 43,128.36 and 26,173.68

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Solution

The fourth proportional to 31,217.28, 43,128.36 and 26,173.68 is: 36,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,217.28 : 43,128.36 = 26,173.68 : x
  2. Step 2: Convert to fraction form
    31,217.28/43,128.36 = 26,173.68/x
  3. Step 3: Cross multiply
    31,217.28x = 43,128.36 × 26,173.68
  4. Step 4: Simplify right side
    31,217.28x = 1,128,827,893.56
  5. Step 5: Solve for x
    x = 1,128,827,893.56/31,217.28
  6. Step 6: Final answer
    x = 36,160.35

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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.