Home / 38,316.63-57,470.09-28,470.27

Finding the Fourth Proportional to 38,316.63, 57,470.09 and 28,470.27

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Solution

The fourth proportional to 38,316.63, 57,470.09 and 28,470.27 is: 42,701.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,316.63 : 57,470.09 = 28,470.27 : x
  2. Step 2: Convert to fraction form
    38,316.63/57,470.09 = 28,470.27/x
  3. Step 3: Cross multiply
    38,316.63x = 57,470.09 × 28,470.27
  4. Step 4: Simplify right side
    38,316.63x = 1,636,188,836.87
  5. Step 5: Solve for x
    x = 1,636,188,836.87/38,316.63
  6. Step 6: Final answer
    x = 42,701.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.