Home / 27,708.30-41,562.45-18,960.30

Finding the Fourth Proportional to 27,708.30, 41,562.45 and 18,960.30

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Solution

The fourth proportional to 27,708.30, 41,562.45 and 18,960.30 is: 28,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708.30 : 41,562.45 = 18,960.30 : x
  2. Step 2: Convert to fraction form
    27,708.30/41,562.45 = 18,960.30/x
  3. Step 3: Cross multiply
    27,708.30x = 41,562.45 × 18,960.30
  4. Step 4: Simplify right side
    27,708.30x = 788,036,520.74
  5. Step 5: Solve for x
    x = 788,036,520.74/27,708.30
  6. Step 6: Final answer
    x = 28,440.45

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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.