Home / 38,512.14-57,802.23-18,808.08

Finding the Fourth Proportional to 38,512.14, 57,802.23 and 18,808.08

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Solution

The fourth proportional to 38,512.14, 57,802.23 and 18,808.08 is: 28,228.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,512.14 : 57,802.23 = 18,808.08 : x
  2. Step 2: Convert to fraction form
    38,512.14/57,802.23 = 18,808.08/x
  3. Step 3: Cross multiply
    38,512.14x = 57,802.23 × 18,808.08
  4. Step 4: Simplify right side
    38,512.14x = 1,087,148,966.02
  5. Step 5: Solve for x
    x = 1,087,148,966.02/38,512.14
  6. Step 6: Final answer
    x = 28,228.73

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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.