Home / 30,237.28-41,722.86-16,808.64

Finding the Fourth Proportional to 30,237.28, 41,722.86 and 16,808.64

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Solution

The fourth proportional to 30,237.28, 41,722.86 and 16,808.64 is: 23,193.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,237.28 : 41,722.86 = 16,808.64 : x
  2. Step 2: Convert to fraction form
    30,237.28/41,722.86 = 16,808.64/x
  3. Step 3: Cross multiply
    30,237.28x = 41,722.86 × 16,808.64
  4. Step 4: Simplify right side
    30,237.28x = 701,304,533.51
  5. Step 5: Solve for x
    x = 701,304,533.51/30,237.28
  6. Step 6: Final answer
    x = 23,193.37

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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.