Home / 38,828.20-53,450.68-28,737.62

Finding the Fourth Proportional to 38,828.20, 53,450.68 and 28,737.62

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Solution

The fourth proportional to 38,828.20, 53,450.68 and 28,737.62 is: 39,560.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,828.20 : 53,450.68 = 28,737.62 : x
  2. Step 2: Convert to fraction form
    38,828.20/53,450.68 = 28,737.62/x
  3. Step 3: Cross multiply
    38,828.20x = 53,450.68 × 28,737.62
  4. Step 4: Simplify right side
    38,828.20x = 1,536,045,330.58
  5. Step 5: Solve for x
    x = 1,536,045,330.58/38,828.20
  6. Step 6: Final answer
    x = 39,560.04

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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.