Home / 28,729.28-43,094.46-9,007.40

Finding the Fourth Proportional to 28,729.28, 43,094.46 and 9,007.40

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Solution

The fourth proportional to 28,729.28, 43,094.46 and 9,007.40 is: 13,511.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,729.28 : 43,094.46 = 9,007.40 : x
  2. Step 2: Convert to fraction form
    28,729.28/43,094.46 = 9,007.40/x
  3. Step 3: Cross multiply
    28,729.28x = 43,094.46 × 9,007.40
  4. Step 4: Simplify right side
    28,729.28x = 388,169,039.00
  5. Step 5: Solve for x
    x = 388,169,039.00/28,729.28
  6. Step 6: Final answer
    x = 13,511.27

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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.