Home / 23,199.15-32,015.45-12,588.80

Finding the Fourth Proportional to 23,199.15, 32,015.45 and 12,588.80

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Solution

The fourth proportional to 23,199.15, 32,015.45 and 12,588.80 is: 17,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,199.15 : 32,015.45 = 12,588.80 : x
  2. Step 2: Convert to fraction form
    23,199.15/32,015.45 = 12,588.80/x
  3. Step 3: Cross multiply
    23,199.15x = 32,015.45 × 12,588.80
  4. Step 4: Simplify right side
    23,199.15x = 403,035,968.35
  5. Step 5: Solve for x
    x = 403,035,968.35/23,199.15
  6. Step 6: Final answer
    x = 17,372.87

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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.