Home / 23,779.68-32,816.16-13,168.80

Finding the Fourth Proportional to 23,779.68, 32,816.16 and 13,168.80

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Solution

The fourth proportional to 23,779.68, 32,816.16 and 13,168.80 is: 18,173.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,779.68 : 32,816.16 = 13,168.80 : x
  2. Step 2: Convert to fraction form
    23,779.68/32,816.16 = 13,168.80/x
  3. Step 3: Cross multiply
    23,779.68x = 32,816.16 × 13,168.80
  4. Step 4: Simplify right side
    23,779.68x = 432,149,447.81
  5. Step 5: Solve for x
    x = 432,149,447.81/23,779.68
  6. Step 6: Final answer
    x = 18,173.06

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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.