Home / 23,430.75-32,334.44-12,820.50

Finding the Fourth Proportional to 23,430.75, 32,334.44 and 12,820.50

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Solution

The fourth proportional to 23,430.75, 32,334.44 and 12,820.50 is: 17,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,430.75 : 32,334.44 = 12,820.50 : x
  2. Step 2: Convert to fraction form
    23,430.75/32,334.44 = 12,820.50/x
  3. Step 3: Cross multiply
    23,430.75x = 32,334.44 × 12,820.50
  4. Step 4: Simplify right side
    23,430.75x = 414,543,623.92
  5. Step 5: Solve for x
    x = 414,543,623.92/23,430.75
  6. Step 6: Final answer
    x = 17,692.29

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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.