Home / 28,891.50-39,873.51-16,317.06

Finding the Fourth Proportional to 28,891.50, 39,873.51 and 16,317.06

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Solution

The fourth proportional to 28,891.50, 39,873.51 and 16,317.06 is: 22,519.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891.50 : 39,873.51 = 16,317.06 : x
  2. Step 2: Convert to fraction form
    28,891.50/39,873.51 = 16,317.06/x
  3. Step 3: Cross multiply
    28,891.50x = 39,873.51 × 16,317.06
  4. Step 4: Simplify right side
    28,891.50x = 650,618,455.08
  5. Step 5: Solve for x
    x = 650,618,455.08/28,891.50
  6. Step 6: Final answer
    x = 22,519.37

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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.