Home / 53,268.32-79,888.80-15,819.56

Finding the Fourth Proportional to 53,268.32, 79,888.80 and 15,819.56

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Solution

The fourth proportional to 53,268.32, 79,888.80 and 15,819.56 is: 23,725.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,268.32 : 79,888.80 = 15,819.56 : x
  2. Step 2: Convert to fraction form
    53,268.32/79,888.80 = 15,819.56/x
  3. Step 3: Cross multiply
    53,268.32x = 79,888.80 × 15,819.56
  4. Step 4: Simplify right side
    53,268.32x = 1,263,805,664.93
  5. Step 5: Solve for x
    x = 1,263,805,664.93/53,268.32
  6. Step 6: Final answer
    x = 23,725.28

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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.