Home / 28,932.83-43,328.47-26,128.00

Finding the Fourth Proportional to 28,932.83, 43,328.47 and 26,128.00

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Solution

The fourth proportional to 28,932.83, 43,328.47 and 26,128.00 is: 39,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.83 : 43,328.47 = 26,128.00 : x
  2. Step 2: Convert to fraction form
    28,932.83/43,328.47 = 26,128.00/x
  3. Step 3: Cross multiply
    28,932.83x = 43,328.47 × 26,128.00
  4. Step 4: Simplify right side
    28,932.83x = 1,132,086,301.99
  5. Step 5: Solve for x
    x = 1,132,086,301.99/28,932.83
  6. Step 6: Final answer
    x = 39,128.09

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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.