Home / 26,360.88-36,367.56-18,805.20

Finding the Fourth Proportional to 26,360.88, 36,367.56 and 18,805.20

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Solution

The fourth proportional to 26,360.88, 36,367.56 and 18,805.20 is: 25,943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,360.88 : 36,367.56 = 18,805.20 : x
  2. Step 2: Convert to fraction form
    26,360.88/36,367.56 = 18,805.20/x
  3. Step 3: Cross multiply
    26,360.88x = 36,367.56 × 18,805.20
  4. Step 4: Simplify right side
    26,360.88x = 683,899,239.31
  5. Step 5: Solve for x
    x = 683,899,239.31/26,360.88
  6. Step 6: Final answer
    x = 25,943.72

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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.