Home / 23,640.64-32,638.08-21,016.48

Finding the Fourth Proportional to 23,640.64, 32,638.08 and 21,016.48

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Solution

The fourth proportional to 23,640.64, 32,638.08 and 21,016.48 is: 29,015.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,640.64 : 32,638.08 = 21,016.48 : x
  2. Step 2: Convert to fraction form
    23,640.64/32,638.08 = 21,016.48/x
  3. Step 3: Cross multiply
    23,640.64x = 32,638.08 × 21,016.48
  4. Step 4: Simplify right side
    23,640.64x = 685,937,555.56
  5. Step 5: Solve for x
    x = 685,937,555.56/23,640.64
  6. Step 6: Final answer
    x = 29,015.19

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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.