Home / 38,622.42-57,877.74-18,878.67

Finding the Fourth Proportional to 38,622.42, 57,877.74 and 18,878.67

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Solution

The fourth proportional to 38,622.42, 57,877.74 and 18,878.67 is: 28,290.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,622.42 : 57,877.74 = 18,878.67 : x
  2. Step 2: Convert to fraction form
    38,622.42/57,877.74 = 18,878.67/x
  3. Step 3: Cross multiply
    38,622.42x = 57,877.74 × 18,878.67
  4. Step 4: Simplify right side
    38,622.42x = 1,092,654,753.81
  5. Step 5: Solve for x
    x = 1,092,654,753.81/38,622.42
  6. Step 6: Final answer
    x = 28,290.69

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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.