Home / 23,489.28-32,415.83-13,420.96

Finding the Fourth Proportional to 23,489.28, 32,415.83 and 13,420.96

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Solution

The fourth proportional to 23,489.28, 32,415.83 and 13,420.96 is: 18,521.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,489.28 : 32,415.83 = 13,420.96 : x
  2. Step 2: Convert to fraction form
    23,489.28/32,415.83 = 13,420.96/x
  3. Step 3: Cross multiply
    23,489.28x = 32,415.83 × 13,420.96
  4. Step 4: Simplify right side
    23,489.28x = 435,051,530.10
  5. Step 5: Solve for x
    x = 435,051,530.10/23,489.28
  6. Step 6: Final answer
    x = 18,521.28

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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.