Home / 27,978.57-41,995.40-23,328.36

Finding the Fourth Proportional to 27,978.57, 41,995.40 and 23,328.36

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Solution

The fourth proportional to 27,978.57, 41,995.40 and 23,328.36 is: 35,015.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,978.57 : 41,995.40 = 23,328.36 : x
  2. Step 2: Convert to fraction form
    27,978.57/41,995.40 = 23,328.36/x
  3. Step 3: Cross multiply
    27,978.57x = 41,995.40 × 23,328.36
  4. Step 4: Simplify right side
    27,978.57x = 979,683,692.90
  5. Step 5: Solve for x
    x = 979,683,692.90/27,978.57
  6. Step 6: Final answer
    x = 35,015.50

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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.