Home / 28,075.30-38,729.94-16,736.81

Finding the Fourth Proportional to 28,075.30, 38,729.94 and 16,736.81

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Solution

The fourth proportional to 28,075.30, 38,729.94 and 16,736.81 is: 23,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,075.30 : 38,729.94 = 16,736.81 : x
  2. Step 2: Convert to fraction form
    28,075.30/38,729.94 = 16,736.81/x
  3. Step 3: Cross multiply
    28,075.30x = 38,729.94 × 16,736.81
  4. Step 4: Simplify right side
    28,075.30x = 648,215,556.26
  5. Step 5: Solve for x
    x = 648,215,556.26/28,075.30
  6. Step 6: Final answer
    x = 23,088.46

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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.