Home / 28,719.29-39,633.62-15,973.01

Finding the Fourth Proportional to 28,719.29, 39,633.62 and 15,973.01

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Solution

The fourth proportional to 28,719.29, 39,633.62 and 15,973.01 is: 22,043.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,719.29 : 39,633.62 = 15,973.01 : x
  2. Step 2: Convert to fraction form
    28,719.29/39,633.62 = 15,973.01/x
  3. Step 3: Cross multiply
    28,719.29x = 39,633.62 × 15,973.01
  4. Step 4: Simplify right side
    28,719.29x = 633,067,930.56
  5. Step 5: Solve for x
    x = 633,067,930.56/28,719.29
  6. Step 6: Final answer
    x = 22,043.30

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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.