Home / 28,016.34-38,662.56-15,441.10

Finding the Fourth Proportional to 28,016.34, 38,662.56 and 15,441.10

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Solution

The fourth proportional to 28,016.34, 38,662.56 and 15,441.10 is: 21,308.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016.34 : 38,662.56 = 15,441.10 : x
  2. Step 2: Convert to fraction form
    28,016.34/38,662.56 = 15,441.10/x
  3. Step 3: Cross multiply
    28,016.34x = 38,662.56 × 15,441.10
  4. Step 4: Simplify right side
    28,016.34x = 596,992,455.22
  5. Step 5: Solve for x
    x = 596,992,455.22/28,016.34
  6. Step 6: Final answer
    x = 21,308.72

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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.