Home / 26,945.16-40,364.16-21,074.28

Finding the Fourth Proportional to 26,945.16, 40,364.16 and 21,074.28

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Solution

The fourth proportional to 26,945.16, 40,364.16 and 21,074.28 is: 31,569.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,945.16 : 40,364.16 = 21,074.28 : x
  2. Step 2: Convert to fraction form
    26,945.16/40,364.16 = 21,074.28/x
  3. Step 3: Cross multiply
    26,945.16x = 40,364.16 × 21,074.28
  4. Step 4: Simplify right side
    26,945.16x = 850,645,609.80
  5. Step 5: Solve for x
    x = 850,645,609.80/26,945.16
  6. Step 6: Final answer
    x = 31,569.51

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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.