Home / 43,205.25-59,634.50-28,139.25

Finding the Fourth Proportional to 43,205.25, 59,634.50 and 28,139.25

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Solution

The fourth proportional to 43,205.25, 59,634.50 and 28,139.25 is: 38,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,205.25 : 59,634.50 = 28,139.25 : x
  2. Step 2: Convert to fraction form
    43,205.25/59,634.50 = 28,139.25/x
  3. Step 3: Cross multiply
    43,205.25x = 59,634.50 × 28,139.25
  4. Step 4: Simplify right side
    43,205.25x = 1,678,070,104.13
  5. Step 5: Solve for x
    x = 1,678,070,104.13/43,205.25
  6. Step 6: Final answer
    x = 38,839.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.