Home / 28,728.50-43,003.64-15,548.18

Finding the Fourth Proportional to 28,728.50, 43,003.64 and 15,548.18

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Solution

The fourth proportional to 28,728.50, 43,003.64 and 15,548.18 is: 23,274.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728.50 : 43,003.64 = 15,548.18 : x
  2. Step 2: Convert to fraction form
    28,728.50/43,003.64 = 15,548.18/x
  3. Step 3: Cross multiply
    28,728.50x = 43,003.64 × 15,548.18
  4. Step 4: Simplify right side
    28,728.50x = 668,628,159.23
  5. Step 5: Solve for x
    x = 668,628,159.23/28,728.50
  6. Step 6: Final answer
    x = 23,274.04

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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.