Home / 17,916.36-26,771.34-13,676.28

Finding the Fourth Proportional to 17,916.36, 26,771.34 and 13,676.28

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Solution

The fourth proportional to 17,916.36, 26,771.34 and 13,676.28 is: 20,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,916.36 : 26,771.34 = 13,676.28 : x
  2. Step 2: Convert to fraction form
    17,916.36/26,771.34 = 13,676.28/x
  3. Step 3: Cross multiply
    17,916.36x = 26,771.34 × 13,676.28
  4. Step 4: Simplify right side
    17,916.36x = 366,132,341.82
  5. Step 5: Solve for x
    x = 366,132,341.82/17,916.36
  6. Step 6: Final answer
    x = 20,435.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.