Home / 31,204.28-46,806.42-10,427.78

Finding the Fourth Proportional to 31,204.28, 46,806.42 and 10,427.78

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Solution

The fourth proportional to 31,204.28, 46,806.42 and 10,427.78 is: 15,641.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,204.28 : 46,806.42 = 10,427.78 : x
  2. Step 2: Convert to fraction form
    31,204.28/46,806.42 = 10,427.78/x
  3. Step 3: Cross multiply
    31,204.28x = 46,806.42 × 10,427.78
  4. Step 4: Simplify right side
    31,204.28x = 488,087,050.35
  5. Step 5: Solve for x
    x = 488,087,050.35/31,204.28
  6. Step 6: Final answer
    x = 15,641.67

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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.