Home / 26,120.96-36,038.24-14,789.28

Finding the Fourth Proportional to 26,120.96, 36,038.24 and 14,789.28

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Solution

The fourth proportional to 26,120.96, 36,038.24 and 14,789.28 is: 20,404.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,120.96 : 36,038.24 = 14,789.28 : x
  2. Step 2: Convert to fraction form
    26,120.96/36,038.24 = 14,789.28/x
  3. Step 3: Cross multiply
    26,120.96x = 36,038.24 × 14,789.28
  4. Step 4: Simplify right side
    26,120.96x = 532,979,622.07
  5. Step 5: Solve for x
    x = 532,979,622.07/26,120.96
  6. Step 6: Final answer
    x = 20,404.29

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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.