Home / 23,209.42-32,040.80-14,720.20

Finding the Fourth Proportional to 23,209.42, 32,040.80 and 14,720.20

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Solution

The fourth proportional to 23,209.42, 32,040.80 and 14,720.20 is: 20,321.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,209.42 : 32,040.80 = 14,720.20 : x
  2. Step 2: Convert to fraction form
    23,209.42/32,040.80 = 14,720.20/x
  3. Step 3: Cross multiply
    23,209.42x = 32,040.80 × 14,720.20
  4. Step 4: Simplify right side
    23,209.42x = 471,646,984.16
  5. Step 5: Solve for x
    x = 471,646,984.16/23,209.42
  6. Step 6: Final answer
    x = 20,321.36

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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.