Home / 28,964.39-43,460.55-15,816.36

Finding the Fourth Proportional to 28,964.39, 43,460.55 and 15,816.36

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Solution

The fourth proportional to 28,964.39, 43,460.55 and 15,816.36 is: 23,732.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964.39 : 43,460.55 = 15,816.36 : x
  2. Step 2: Convert to fraction form
    28,964.39/43,460.55 = 15,816.36/x
  3. Step 3: Cross multiply
    28,964.39x = 43,460.55 × 15,816.36
  4. Step 4: Simplify right side
    28,964.39x = 687,387,867.58
  5. Step 5: Solve for x
    x = 687,387,867.58/28,964.39
  6. Step 6: Final answer
    x = 23,732.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.