Home / 26,877.60-40,220.40-17,021.60

Finding the Fourth Proportional to 26,877.60, 40,220.40 and 17,021.60

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Solution

The fourth proportional to 26,877.60, 40,220.40 and 17,021.60 is: 25,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,877.60 : 40,220.40 = 17,021.60 : x
  2. Step 2: Convert to fraction form
    26,877.60/40,220.40 = 17,021.60/x
  3. Step 3: Cross multiply
    26,877.60x = 40,220.40 × 17,021.60
  4. Step 4: Simplify right side
    26,877.60x = 684,615,560.64
  5. Step 5: Solve for x
    x = 684,615,560.64/26,877.60
  6. Step 6: Final answer
    x = 25,471.60

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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.