Home / 23,505.23-32,440.09-13,431.36

Finding the Fourth Proportional to 23,505.23, 32,440.09 and 13,431.36

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Solution

The fourth proportional to 23,505.23, 32,440.09 and 13,431.36 is: 18,536.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,505.23 : 32,440.09 = 13,431.36 : x
  2. Step 2: Convert to fraction form
    23,505.23/32,440.09 = 13,431.36/x
  3. Step 3: Cross multiply
    23,505.23x = 32,440.09 × 13,431.36
  4. Step 4: Simplify right side
    23,505.23x = 435,714,527.22
  5. Step 5: Solve for x
    x = 435,714,527.22/23,505.23
  6. Step 6: Final answer
    x = 18,536.92

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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.