Home / 21,762.20-32,667.60-16,853.60

Finding the Fourth Proportional to 21,762.20, 32,667.60 and 16,853.60

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Solution

The fourth proportional to 21,762.20, 32,667.60 and 16,853.60 is: 25,299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762.20 : 32,667.60 = 16,853.60 : x
  2. Step 2: Convert to fraction form
    21,762.20/32,667.60 = 16,853.60/x
  3. Step 3: Cross multiply
    21,762.20x = 32,667.60 × 16,853.60
  4. Step 4: Simplify right side
    21,762.20x = 550,566,663.36
  5. Step 5: Solve for x
    x = 550,566,663.36/21,762.20
  6. Step 6: Final answer
    x = 25,299.22

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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.