Home / 28,003.90-38,650.66-16,075.03

Finding the Fourth Proportional to 28,003.90, 38,650.66 and 16,075.03

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Solution

The fourth proportional to 28,003.90, 38,650.66 and 16,075.03 is: 22,186.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003.90 : 38,650.66 = 16,075.03 : x
  2. Step 2: Convert to fraction form
    28,003.90/38,650.66 = 16,075.03/x
  3. Step 3: Cross multiply
    28,003.90x = 38,650.66 × 16,075.03
  4. Step 4: Simplify right side
    28,003.90x = 621,310,519.02
  5. Step 5: Solve for x
    x = 621,310,519.02/28,003.90
  6. Step 6: Final answer
    x = 22,186.57

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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.