Home / 21,589.34-32,232.56-18,268.76

Finding the Fourth Proportional to 21,589.34, 32,232.56 and 18,268.76

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Solution

The fourth proportional to 21,589.34, 32,232.56 and 18,268.76 is: 27,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589.34 : 32,232.56 = 18,268.76 : x
  2. Step 2: Convert to fraction form
    21,589.34/32,232.56 = 18,268.76/x
  3. Step 3: Cross multiply
    21,589.34x = 32,232.56 × 18,268.76
  4. Step 4: Simplify right side
    21,589.34x = 588,848,902.83
  5. Step 5: Solve for x
    x = 588,848,902.83/21,589.34
  6. Step 6: Final answer
    x = 27,274.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.