Home / 33,576.96-46,336.64-21,009.28

Finding the Fourth Proportional to 33,576.96, 46,336.64 and 21,009.28

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Solution

The fourth proportional to 33,576.96, 46,336.64 and 21,009.28 is: 28,993.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,576.96 : 46,336.64 = 21,009.28 : x
  2. Step 2: Convert to fraction form
    33,576.96/46,336.64 = 21,009.28/x
  3. Step 3: Cross multiply
    33,576.96x = 46,336.64 × 21,009.28
  4. Step 4: Simplify right side
    33,576.96x = 973,499,444.02
  5. Step 5: Solve for x
    x = 973,499,444.02/33,576.96
  6. Step 6: Final answer
    x = 28,993.08

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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.