Home / 38,277.98-57,423.13-13,325.12

Finding the Fourth Proportional to 38,277.98, 57,423.13 and 13,325.12

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Solution

The fourth proportional to 38,277.98, 57,423.13 and 13,325.12 is: 19,989.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,277.98 : 57,423.13 = 13,325.12 : x
  2. Step 2: Convert to fraction form
    38,277.98/57,423.13 = 13,325.12/x
  3. Step 3: Cross multiply
    38,277.98x = 57,423.13 × 13,325.12
  4. Step 4: Simplify right side
    38,277.98x = 765,170,315.94
  5. Step 5: Solve for x
    x = 765,170,315.94/38,277.98
  6. Step 6: Final answer
    x = 19,989.83

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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.