Home / 38,208.76-57,314.61-18,207.94

Finding the Fourth Proportional to 38,208.76, 57,314.61 and 18,207.94

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Solution

The fourth proportional to 38,208.76, 57,314.61 and 18,207.94 is: 27,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,208.76 : 57,314.61 = 18,207.94 : x
  2. Step 2: Convert to fraction form
    38,208.76/57,314.61 = 18,207.94/x
  3. Step 3: Cross multiply
    38,208.76x = 57,314.61 × 18,207.94
  4. Step 4: Simplify right side
    38,208.76x = 1,043,580,980.00
  5. Step 5: Solve for x
    x = 1,043,580,980.00/38,208.76
  6. Step 6: Final answer
    x = 27,312.61

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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.