Home / 26,859.88-40,289.82-9,320.20

Finding the Fourth Proportional to 26,859.88, 40,289.82 and 9,320.20

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Solution

The fourth proportional to 26,859.88, 40,289.82 and 9,320.20 is: 13,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,859.88 : 40,289.82 = 9,320.20 : x
  2. Step 2: Convert to fraction form
    26,859.88/40,289.82 = 9,320.20/x
  3. Step 3: Cross multiply
    26,859.88x = 40,289.82 × 9,320.20
  4. Step 4: Simplify right side
    26,859.88x = 375,509,180.36
  5. Step 5: Solve for x
    x = 375,509,180.36/26,859.88
  6. Step 6: Final answer
    x = 13,980.30

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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.