Home / 21,923.52-32,885.28-18,628.80

Finding the Fourth Proportional to 21,923.52, 32,885.28 and 18,628.80

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Solution

The fourth proportional to 21,923.52, 32,885.28 and 18,628.80 is: 27,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923.52 : 32,885.28 = 18,628.80 : x
  2. Step 2: Convert to fraction form
    21,923.52/32,885.28 = 18,628.80/x
  3. Step 3: Cross multiply
    21,923.52x = 32,885.28 × 18,628.80
  4. Step 4: Simplify right side
    21,923.52x = 612,613,304.06
  5. Step 5: Solve for x
    x = 612,613,304.06/21,923.52
  6. Step 6: Final answer
    x = 27,943.20

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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.