Home / 26,333.37-36,340.74-15,729.12

Finding the Fourth Proportional to 26,333.37, 36,340.74 and 15,729.12

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Solution

The fourth proportional to 26,333.37, 36,340.74 and 15,729.12 is: 21,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,333.37 : 36,340.74 = 15,729.12 : x
  2. Step 2: Convert to fraction form
    26,333.37/36,340.74 = 15,729.12/x
  3. Step 3: Cross multiply
    26,333.37x = 36,340.74 × 15,729.12
  4. Step 4: Simplify right side
    26,333.37x = 571,607,860.35
  5. Step 5: Solve for x
    x = 571,607,860.35/26,333.37
  6. Step 6: Final answer
    x = 21,706.60

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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.