Home / 28,589.80-39,453.84-16,490.24

Finding the Fourth Proportional to 28,589.80, 39,453.84 and 16,490.24

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Solution

The fourth proportional to 28,589.80, 39,453.84 and 16,490.24 is: 22,756.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,589.80 : 39,453.84 = 16,490.24 : x
  2. Step 2: Convert to fraction form
    28,589.80/39,453.84 = 16,490.24/x
  3. Step 3: Cross multiply
    28,589.80x = 39,453.84 × 16,490.24
  4. Step 4: Simplify right side
    28,589.80x = 650,603,290.52
  5. Step 5: Solve for x
    x = 650,603,290.52/28,589.80
  6. Step 6: Final answer
    x = 22,756.48

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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.