Home / 28,570.88-39,429.44-15,995.52

Finding the Fourth Proportional to 28,570.88, 39,429.44 and 15,995.52

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Solution

The fourth proportional to 28,570.88, 39,429.44 and 15,995.52 is: 22,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,570.88 : 39,429.44 = 15,995.52 : x
  2. Step 2: Convert to fraction form
    28,570.88/39,429.44 = 15,995.52/x
  3. Step 3: Cross multiply
    28,570.88x = 39,429.44 × 15,995.52
  4. Step 4: Simplify right side
    28,570.88x = 630,694,396.11
  5. Step 5: Solve for x
    x = 630,694,396.11/28,570.88
  6. Step 6: Final answer
    x = 22,074.73

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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.