Home / 19,592.63-27,022.21-12,885.15

Finding the Fourth Proportional to 19,592.63, 27,022.21 and 12,885.15

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Solution

The fourth proportional to 19,592.63, 27,022.21 and 12,885.15 is: 17,771.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,592.63 : 27,022.21 = 12,885.15 : x
  2. Step 2: Convert to fraction form
    19,592.63/27,022.21 = 12,885.15/x
  3. Step 3: Cross multiply
    19,592.63x = 27,022.21 × 12,885.15
  4. Step 4: Simplify right side
    19,592.63x = 348,185,222.30
  5. Step 5: Solve for x
    x = 348,185,222.30/19,592.63
  6. Step 6: Final answer
    x = 17,771.23

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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.