Home / 17,782.79-26,673.57-8,427.29

Finding the Fourth Proportional to 17,782.79, 26,673.57 and 8,427.29

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Solution

The fourth proportional to 17,782.79, 26,673.57 and 8,427.29 is: 12,640.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,782.79 : 26,673.57 = 8,427.29 : x
  2. Step 2: Convert to fraction form
    17,782.79/26,673.57 = 8,427.29/x
  3. Step 3: Cross multiply
    17,782.79x = 26,673.57 × 8,427.29
  4. Step 4: Simplify right side
    17,782.79x = 224,785,776.36
  5. Step 5: Solve for x
    x = 224,785,776.36/17,782.79
  6. Step 6: Final answer
    x = 12,640.64

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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.