Home / 19,955.79-27,538.98-12,002.62

Finding the Fourth Proportional to 19,955.79, 27,538.98 and 12,002.62

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Solution

The fourth proportional to 19,955.79, 27,538.98 and 12,002.62 is: 16,563.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.79 : 27,538.98 = 12,002.62 : x
  2. Step 2: Convert to fraction form
    19,955.79/27,538.98 = 12,002.62/x
  3. Step 3: Cross multiply
    19,955.79x = 27,538.98 × 12,002.62
  4. Step 4: Simplify right side
    19,955.79x = 330,539,912.13
  5. Step 5: Solve for x
    x = 330,539,912.13/19,955.79
  6. Step 6: Final answer
    x = 16,563.61

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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.