Home / 23,430.80-32,334.60-12,820.46

Finding the Fourth Proportional to 23,430.80, 32,334.60 and 12,820.46

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Solution

The fourth proportional to 23,430.80, 32,334.60 and 12,820.46 is: 17,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,430.80 : 32,334.60 = 12,820.46 : x
  2. Step 2: Convert to fraction form
    23,430.80/32,334.60 = 12,820.46/x
  3. Step 3: Cross multiply
    23,430.80x = 32,334.60 × 12,820.46
  4. Step 4: Simplify right side
    23,430.80x = 414,544,445.92
  5. Step 5: Solve for x
    x = 414,544,445.92/23,430.80
  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.