Home / 23,971.68-35,945.40-13,979.64

Finding the Fourth Proportional to 23,971.68, 35,945.40 and 13,979.64

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Solution

The fourth proportional to 23,971.68, 35,945.40 and 13,979.64 is: 20,962.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,971.68 : 35,945.40 = 13,979.64 : x
  2. Step 2: Convert to fraction form
    23,971.68/35,945.40 = 13,979.64/x
  3. Step 3: Cross multiply
    23,971.68x = 35,945.40 × 13,979.64
  4. Step 4: Simplify right side
    23,971.68x = 502,503,751.66
  5. Step 5: Solve for x
    x = 502,503,751.66/23,971.68
  6. Step 6: Final answer
    x = 20,962.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.