Home / 38,585.59-57,882.63-12,284.21

Finding the Fourth Proportional to 38,585.59, 57,882.63 and 12,284.21

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Solution

The fourth proportional to 38,585.59, 57,882.63 and 12,284.21 is: 18,427.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,585.59 : 57,882.63 = 12,284.21 : x
  2. Step 2: Convert to fraction form
    38,585.59/57,882.63 = 12,284.21/x
  3. Step 3: Cross multiply
    38,585.59x = 57,882.63 × 12,284.21
  4. Step 4: Simplify right side
    38,585.59x = 711,042,573.04
  5. Step 5: Solve for x
    x = 711,042,573.04/38,585.59
  6. Step 6: Final answer
    x = 18,427.67

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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.