Home / 38,393.40-57,586.32-13,428.84

Finding the Fourth Proportional to 38,393.40, 57,586.32 and 13,428.84

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Solution

The fourth proportional to 38,393.40, 57,586.32 and 13,428.84 is: 20,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,393.40 : 57,586.32 = 13,428.84 : x
  2. Step 2: Convert to fraction form
    38,393.40/57,586.32 = 13,428.84/x
  3. Step 3: Cross multiply
    38,393.40x = 57,586.32 × 13,428.84
  4. Step 4: Simplify right side
    38,393.40x = 773,317,477.47
  5. Step 5: Solve for x
    x = 773,317,477.47/38,393.40
  6. Step 6: Final answer
    x = 20,141.94

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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.