Home / 27,945.20-41,917.80-15,460.40

Finding the Fourth Proportional to 27,945.20, 41,917.80 and 15,460.40

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Solution

The fourth proportional to 27,945.20, 41,917.80 and 15,460.40 is: 23,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.20 : 41,917.80 = 15,460.40 : x
  2. Step 2: Convert to fraction form
    27,945.20/41,917.80 = 15,460.40/x
  3. Step 3: Cross multiply
    27,945.20x = 41,917.80 × 15,460.40
  4. Step 4: Simplify right side
    27,945.20x = 648,065,955.12
  5. Step 5: Solve for x
    x = 648,065,955.12/27,945.20
  6. Step 6: Final answer
    x = 23,190.60

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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.