Home / 26,533.28-39,786.21-7,810.88

Finding the Fourth Proportional to 26,533.28, 39,786.21 and 7,810.88

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Solution

The fourth proportional to 26,533.28, 39,786.21 and 7,810.88 is: 11,712.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,533.28 : 39,786.21 = 7,810.88 : x
  2. Step 2: Convert to fraction form
    26,533.28/39,786.21 = 7,810.88/x
  3. Step 3: Cross multiply
    26,533.28x = 39,786.21 × 7,810.88
  4. Step 4: Simplify right side
    26,533.28x = 310,765,113.03
  5. Step 5: Solve for x
    x = 310,765,113.03/26,533.28
  6. Step 6: Final answer
    x = 11,712.28

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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.