Home / 43,391.35-59,862.39-28,278.51

Finding the Fourth Proportional to 43,391.35, 59,862.39 and 28,278.51

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Solution

The fourth proportional to 43,391.35, 59,862.39 and 28,278.51 is: 39,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,391.35 : 59,862.39 = 28,278.51 : x
  2. Step 2: Convert to fraction form
    43,391.35/59,862.39 = 28,278.51/x
  3. Step 3: Cross multiply
    43,391.35x = 59,862.39 × 28,278.51
  4. Step 4: Simplify right side
    43,391.35x = 1,692,819,194.24
  5. Step 5: Solve for x
    x = 1,692,819,194.24/43,391.35
  6. Step 6: Final answer
    x = 39,012.83

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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.