Home / 38,573.48-57,866.70-12,286.28

Finding the Fourth Proportional to 38,573.48, 57,866.70 and 12,286.28

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Solution

The fourth proportional to 38,573.48, 57,866.70 and 12,286.28 is: 18,431.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,573.48 : 57,866.70 = 12,286.28 : x
  2. Step 2: Convert to fraction form
    38,573.48/57,866.70 = 12,286.28/x
  3. Step 3: Cross multiply
    38,573.48x = 57,866.70 × 12,286.28
  4. Step 4: Simplify right side
    38,573.48x = 710,966,478.88
  5. Step 5: Solve for x
    x = 710,966,478.88/38,573.48
  6. Step 6: Final answer
    x = 18,431.48

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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.