Home / 20,075.32-27,713.57-14,112.10

Finding the Fourth Proportional to 20,075.32, 27,713.57 and 14,112.10

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Solution

The fourth proportional to 20,075.32, 27,713.57 and 14,112.10 is: 19,481.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,075.32 : 27,713.57 = 14,112.10 : x
  2. Step 2: Convert to fraction form
    20,075.32/27,713.57 = 14,112.10/x
  3. Step 3: Cross multiply
    20,075.32x = 27,713.57 × 14,112.10
  4. Step 4: Simplify right side
    20,075.32x = 391,096,671.20
  5. Step 5: Solve for x
    x = 391,096,671.20/20,075.32
  6. Step 6: Final answer
    x = 19,481.47

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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.