Home / 21,757.55-30,034.60-14,693.54

Finding the Fourth Proportional to 21,757.55, 30,034.60 and 14,693.54

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Solution

The fourth proportional to 21,757.55, 30,034.60 and 14,693.54 is: 20,283.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,757.55 : 30,034.60 = 14,693.54 : x
  2. Step 2: Convert to fraction form
    21,757.55/30,034.60 = 14,693.54/x
  3. Step 3: Cross multiply
    21,757.55x = 30,034.60 × 14,693.54
  4. Step 4: Simplify right side
    21,757.55x = 441,314,409.58
  5. Step 5: Solve for x
    x = 441,314,409.58/21,757.55
  6. Step 6: Final answer
    x = 20,283.28

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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.