Home / 38,628.96-57,956.40-12,337.44

Finding the Fourth Proportional to 38,628.96, 57,956.40 and 12,337.44

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Solution

The fourth proportional to 38,628.96, 57,956.40 and 12,337.44 is: 18,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,628.96 : 57,956.40 = 12,337.44 : x
  2. Step 2: Convert to fraction form
    38,628.96/57,956.40 = 12,337.44/x
  3. Step 3: Cross multiply
    38,628.96x = 57,956.40 × 12,337.44
  4. Step 4: Simplify right side
    38,628.96x = 715,033,607.62
  5. Step 5: Solve for x
    x = 715,033,607.62/38,628.96
  6. Step 6: Final answer
    x = 18,510.30

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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.