Home / 23,820.40-32,869.83-13,209.81

Finding the Fourth Proportional to 23,820.40, 32,869.83 and 13,209.81

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Solution

The fourth proportional to 23,820.40, 32,869.83 and 13,209.81 is: 18,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,820.40 : 32,869.83 = 13,209.81 : x
  2. Step 2: Convert to fraction form
    23,820.40/32,869.83 = 13,209.81/x
  3. Step 3: Cross multiply
    23,820.40x = 32,869.83 × 13,209.81
  4. Step 4: Simplify right side
    23,820.40x = 434,204,209.03
  5. Step 5: Solve for x
    x = 434,204,209.03/23,820.40
  6. Step 6: Final answer
    x = 18,228.25

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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.