Home / 21,536.28-32,304.42-18,605.70

Finding the Fourth Proportional to 21,536.28, 32,304.42 and 18,605.70

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Solution

The fourth proportional to 21,536.28, 32,304.42 and 18,605.70 is: 27,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,536.28 : 32,304.42 = 18,605.70 : x
  2. Step 2: Convert to fraction form
    21,536.28/32,304.42 = 18,605.70/x
  3. Step 3: Cross multiply
    21,536.28x = 32,304.42 × 18,605.70
  4. Step 4: Simplify right side
    21,536.28x = 601,046,347.19
  5. Step 5: Solve for x
    x = 601,046,347.19/21,536.28
  6. Step 6: Final answer
    x = 27,908.55

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1.5x scale

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.