Home / 17,359.28-26,047.56-12,780.08

Finding the Fourth Proportional to 17,359.28, 26,047.56 and 12,780.08

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Solution

The fourth proportional to 17,359.28, 26,047.56 and 12,780.08 is: 19,176.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,359.28 : 26,047.56 = 12,780.08 : x
  2. Step 2: Convert to fraction form
    17,359.28/26,047.56 = 12,780.08/x
  3. Step 3: Cross multiply
    17,359.28x = 26,047.56 × 12,780.08
  4. Step 4: Simplify right side
    17,359.28x = 332,889,900.60
  5. Step 5: Solve for x
    x = 332,889,900.60/17,359.28
  6. Step 6: Final answer
    x = 19,176.48

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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.