Home / 23,869.78-32,940.08-13,259.40

Finding the Fourth Proportional to 23,869.78, 32,940.08 and 13,259.40

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Solution

The fourth proportional to 23,869.78, 32,940.08 and 13,259.40 is: 18,297.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,869.78 : 32,940.08 = 13,259.40 : x
  2. Step 2: Convert to fraction form
    23,869.78/32,940.08 = 13,259.40/x
  3. Step 3: Cross multiply
    23,869.78x = 32,940.08 × 13,259.40
  4. Step 4: Simplify right side
    23,869.78x = 436,765,696.75
  5. Step 5: Solve for x
    x = 436,765,696.75/23,869.78
  6. Step 6: Final answer
    x = 18,297.85

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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.