Home / 21,734.48-30,007.36-14,939.60

Finding the Fourth Proportional to 21,734.48, 30,007.36 and 14,939.60

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Solution

The fourth proportional to 21,734.48, 30,007.36 and 14,939.60 is: 20,626.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,734.48 : 30,007.36 = 14,939.60 : x
  2. Step 2: Convert to fraction form
    21,734.48/30,007.36 = 14,939.60/x
  3. Step 3: Cross multiply
    21,734.48x = 30,007.36 × 14,939.60
  4. Step 4: Simplify right side
    21,734.48x = 448,297,955.46
  5. Step 5: Solve for x
    x = 448,297,955.46/21,734.48
  6. Step 6: Final answer
    x = 20,626.12

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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.