Home / 28,649.62-39,537.15-16,075.30

Finding the Fourth Proportional to 28,649.62, 39,537.15 and 16,075.30

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Solution

The fourth proportional to 28,649.62, 39,537.15 and 16,075.30 is: 22,184.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,649.62 : 39,537.15 = 16,075.30 : x
  2. Step 2: Convert to fraction form
    28,649.62/39,537.15 = 16,075.30/x
  3. Step 3: Cross multiply
    28,649.62x = 39,537.15 × 16,075.30
  4. Step 4: Simplify right side
    28,649.62x = 635,571,508.83
  5. Step 5: Solve for x
    x = 635,571,508.83/28,649.62
  6. Step 6: Final answer
    x = 22,184.29

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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.