Home / 38,228.90-57,343.34-11,935.89

Finding the Fourth Proportional to 38,228.90, 57,343.34 and 11,935.89

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Solution

The fourth proportional to 38,228.90, 57,343.34 and 11,935.89 is: 17,903.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,228.90 : 57,343.34 = 11,935.89 : x
  2. Step 2: Convert to fraction form
    38,228.90/57,343.34 = 11,935.89/x
  3. Step 3: Cross multiply
    38,228.90x = 57,343.34 × 11,935.89
  4. Step 4: Simplify right side
    38,228.90x = 684,443,828.31
  5. Step 5: Solve for x
    x = 684,443,828.31/38,228.90
  6. Step 6: Final answer
    x = 17,903.84

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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.