Home / 26,505.28-39,762.34-12,288.00

Finding the Fourth Proportional to 26,505.28, 39,762.34 and 12,288.00

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Solution

The fourth proportional to 26,505.28, 39,762.34 and 12,288.00 is: 18,434.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,505.28 : 39,762.34 = 12,288.00 : x
  2. Step 2: Convert to fraction form
    26,505.28/39,762.34 = 12,288.00/x
  3. Step 3: Cross multiply
    26,505.28x = 39,762.34 × 12,288.00
  4. Step 4: Simplify right side
    26,505.28x = 488,599,821.43
  5. Step 5: Solve for x
    x = 488,599,821.43/26,505.28
  6. Step 6: Final answer
    x = 18,434.06

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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.