Home / 26,051.52-39,042.72-21,489.60

Finding the Fourth Proportional to 26,051.52, 39,042.72 and 21,489.60

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Solution

The fourth proportional to 26,051.52, 39,042.72 and 21,489.60 is: 32,205.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,051.52 : 39,042.72 = 21,489.60 : x
  2. Step 2: Convert to fraction form
    26,051.52/39,042.72 = 21,489.60/x
  3. Step 3: Cross multiply
    26,051.52x = 39,042.72 × 21,489.60
  4. Step 4: Simplify right side
    26,051.52x = 839,012,435.71
  5. Step 5: Solve for x
    x = 839,012,435.71/26,051.52
  6. Step 6: Final answer
    x = 32,205.89

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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.