Home / 52,738.17-72,778.79-28,866.38

Finding the Fourth Proportional to 52,738.17, 72,778.79 and 28,866.38

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Solution

The fourth proportional to 52,738.17, 72,778.79 and 28,866.38 is: 39,835.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,738.17 : 72,778.79 = 28,866.38 : x
  2. Step 2: Convert to fraction form
    52,738.17/72,778.79 = 28,866.38/x
  3. Step 3: Cross multiply
    52,738.17x = 72,778.79 × 28,866.38
  4. Step 4: Simplify right side
    52,738.17x = 2,100,860,208.08
  5. Step 5: Solve for x
    x = 2,100,860,208.08/52,738.17
  6. Step 6: Final answer
    x = 39,835.67

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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.