Home / 28,643.83-39,530.63-16,704.63

Finding the Fourth Proportional to 28,643.83, 39,530.63 and 16,704.63

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Solution

The fourth proportional to 28,643.83, 39,530.63 and 16,704.63 is: 23,053.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,643.83 : 39,530.63 = 16,704.63 : x
  2. Step 2: Convert to fraction form
    28,643.83/39,530.63 = 16,704.63/x
  3. Step 3: Cross multiply
    28,643.83x = 39,530.63 × 16,704.63
  4. Step 4: Simplify right side
    28,643.83x = 660,344,589.58
  5. Step 5: Solve for x
    x = 660,344,589.58/28,643.83
  6. Step 6: Final answer
    x = 23,053.64

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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.