Home / 34,268.56-47,277.28-21,516.36

Finding the Fourth Proportional to 34,268.56, 47,277.28 and 21,516.36

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Solution

The fourth proportional to 34,268.56, 47,277.28 and 21,516.36 is: 29,684.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,268.56 : 47,277.28 = 21,516.36 : x
  2. Step 2: Convert to fraction form
    34,268.56/47,277.28 = 21,516.36/x
  3. Step 3: Cross multiply
    34,268.56x = 47,277.28 × 21,516.36
  4. Step 4: Simplify right side
    34,268.56x = 1,017,234,976.30
  5. Step 5: Solve for x
    x = 1,017,234,976.30/34,268.56
  6. Step 6: Final answer
    x = 29,684.21

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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.