Home / 17,228.16-25,842.60-12,877.20

Finding the Fourth Proportional to 17,228.16, 25,842.60 and 12,877.20

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Solution

The fourth proportional to 17,228.16, 25,842.60 and 12,877.20 is: 19,316.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,228.16 : 25,842.60 = 12,877.20 : x
  2. Step 2: Convert to fraction form
    17,228.16/25,842.60 = 12,877.20/x
  3. Step 3: Cross multiply
    17,228.16x = 25,842.60 × 12,877.20
  4. Step 4: Simplify right side
    17,228.16x = 332,780,328.72
  5. Step 5: Solve for x
    x = 332,780,328.72/17,228.16
  6. Step 6: Final answer
    x = 19,316.07

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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.