Home / 26,771.15-36,945.83-15,440.45

Finding the Fourth Proportional to 26,771.15, 36,945.83 and 15,440.45

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Solution

The fourth proportional to 26,771.15, 36,945.83 and 15,440.45 is: 21,308.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,771.15 : 36,945.83 = 15,440.45 : x
  2. Step 2: Convert to fraction form
    26,771.15/36,945.83 = 15,440.45/x
  3. Step 3: Cross multiply
    26,771.15x = 36,945.83 × 15,440.45
  4. Step 4: Simplify right side
    26,771.15x = 570,460,094.70
  5. Step 5: Solve for x
    x = 570,460,094.70/26,771.15
  6. Step 6: Final answer
    x = 21,308.76

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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.