Home / 23,010.12-31,723.38-15,038.64

Finding the Fourth Proportional to 23,010.12, 31,723.38 and 15,038.64

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Solution

The fourth proportional to 23,010.12, 31,723.38 and 15,038.64 is: 20,733.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,010.12 : 31,723.38 = 15,038.64 : x
  2. Step 2: Convert to fraction form
    23,010.12/31,723.38 = 15,038.64/x
  3. Step 3: Cross multiply
    23,010.12x = 31,723.38 × 15,038.64
  4. Step 4: Simplify right side
    23,010.12x = 477,076,491.40
  5. Step 5: Solve for x
    x = 477,076,491.40/23,010.12
  6. Step 6: Final answer
    x = 20,733.33

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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.