Home / 23,945.12-33,040.32-13,875.20

Finding the Fourth Proportional to 23,945.12, 33,040.32 and 13,875.20

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Solution

The fourth proportional to 23,945.12, 33,040.32 and 13,875.20 is: 19,145.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,945.12 : 33,040.32 = 13,875.20 : x
  2. Step 2: Convert to fraction form
    23,945.12/33,040.32 = 13,875.20/x
  3. Step 3: Cross multiply
    23,945.12x = 33,040.32 × 13,875.20
  4. Step 4: Simplify right side
    23,945.12x = 458,441,048.06
  5. Step 5: Solve for x
    x = 458,441,048.06/23,945.12
  6. Step 6: Final answer
    x = 19,145.49

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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.