Home / 52,228.56-72,074.30-28,355.03

Finding the Fourth Proportional to 52,228.56, 72,074.30 and 28,355.03

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Solution

The fourth proportional to 52,228.56, 72,074.30 and 28,355.03 is: 39,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,228.56 : 72,074.30 = 28,355.03 : x
  2. Step 2: Convert to fraction form
    52,228.56/72,074.30 = 28,355.03/x
  3. Step 3: Cross multiply
    52,228.56x = 72,074.30 × 28,355.03
  4. Step 4: Simplify right side
    52,228.56x = 2,043,668,436.58
  5. Step 5: Solve for x
    x = 2,043,668,436.58/52,228.56
  6. Step 6: Final answer
    x = 39,129.33

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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.