Home / 20,052.06-27,673.07-12,886.21

Finding the Fourth Proportional to 20,052.06, 27,673.07 and 12,886.21

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Solution

The fourth proportional to 20,052.06, 27,673.07 and 12,886.21 is: 17,783.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052.06 : 27,673.07 = 12,886.21 : x
  2. Step 2: Convert to fraction form
    20,052.06/27,673.07 = 12,886.21/x
  3. Step 3: Cross multiply
    20,052.06x = 27,673.07 × 12,886.21
  4. Step 4: Simplify right side
    20,052.06x = 356,601,075.60
  5. Step 5: Solve for x
    x = 356,601,075.60/20,052.06
  6. Step 6: Final answer
    x = 17,783.77

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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.