Home / 23,178.80-34,768.20-22,271.60

Finding the Fourth Proportional to 23,178.80, 34,768.20 and 22,271.60

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Solution

The fourth proportional to 23,178.80, 34,768.20 and 22,271.60 is: 33,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,178.80 : 34,768.20 = 22,271.60 : x
  2. Step 2: Convert to fraction form
    23,178.80/34,768.20 = 22,271.60/x
  3. Step 3: Cross multiply
    23,178.80x = 34,768.20 × 22,271.60
  4. Step 4: Simplify right side
    23,178.80x = 774,343,443.12
  5. Step 5: Solve for x
    x = 774,343,443.12/23,178.80
  6. Step 6: Final answer
    x = 33,407.40

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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.