Home / 23,820.30-32,869.86-13,209.90

Finding the Fourth Proportional to 23,820.30, 32,869.86 and 13,209.90

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Solution

The fourth proportional to 23,820.30, 32,869.86 and 13,209.90 is: 18,228.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,820.30 : 32,869.86 = 13,209.90 : x
  2. Step 2: Convert to fraction form
    23,820.30/32,869.86 = 13,209.90/x
  3. Step 3: Cross multiply
    23,820.30x = 32,869.86 × 13,209.90
  4. Step 4: Simplify right side
    23,820.30x = 434,207,563.61
  5. Step 5: Solve for x
    x = 434,207,563.61/23,820.30
  6. Step 6: Final answer
    x = 18,228.47

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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.