Home / 23,280.36-34,912.98-10,128.84

Finding the Fourth Proportional to 23,280.36, 34,912.98 and 10,128.84

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Solution

The fourth proportional to 23,280.36, 34,912.98 and 10,128.84 is: 15,189.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,280.36 : 34,912.98 = 10,128.84 : x
  2. Step 2: Convert to fraction form
    23,280.36/34,912.98 = 10,128.84/x
  3. Step 3: Cross multiply
    23,280.36x = 34,912.98 × 10,128.84
  4. Step 4: Simplify right side
    23,280.36x = 353,627,988.34
  5. Step 5: Solve for x
    x = 353,627,988.34/23,280.36
  6. Step 6: Final answer
    x = 15,189.97

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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.