Home / 52,639.20-72,641.66-28,765.67

Finding the Fourth Proportional to 52,639.20, 72,641.66 and 28,765.67

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Solution

The fourth proportional to 52,639.20, 72,641.66 and 28,765.67 is: 39,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,639.20 : 72,641.66 = 28,765.67 : x
  2. Step 2: Convert to fraction form
    52,639.20/72,641.66 = 28,765.67/x
  3. Step 3: Cross multiply
    52,639.20x = 72,641.66 × 28,765.67
  4. Step 4: Simplify right side
    52,639.20x = 2,089,585,512.78
  5. Step 5: Solve for x
    x = 2,089,585,512.78/52,639.20
  6. Step 6: Final answer
    x = 39,696.38

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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.