Home / 28,412.10-39,245.58-23,054.40

Finding the Fourth Proportional to 28,412.10, 39,245.58 and 23,054.40

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Solution

The fourth proportional to 28,412.10, 39,245.58 and 23,054.40 is: 31,845.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,412.10 : 39,245.58 = 23,054.40 : x
  2. Step 2: Convert to fraction form
    28,412.10/39,245.58 = 23,054.40/x
  3. Step 3: Cross multiply
    28,412.10x = 39,245.58 × 23,054.40
  4. Step 4: Simplify right side
    28,412.10x = 904,783,299.55
  5. Step 5: Solve for x
    x = 904,783,299.55/28,412.10
  6. Step 6: Final answer
    x = 31,845.00

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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.