Home / 35,379.20-53,087.04-15,671.67

Finding the Fourth Proportional to 35,379.20, 53,087.04 and 15,671.67

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Solution

The fourth proportional to 35,379.20, 53,087.04 and 15,671.67 is: 23,515.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,379.20 : 53,087.04 = 15,671.67 : x
  2. Step 2: Convert to fraction form
    35,379.20/53,087.04 = 15,671.67/x
  3. Step 3: Cross multiply
    35,379.20x = 53,087.04 × 15,671.67
  4. Step 4: Simplify right side
    35,379.20x = 831,962,572.16
  5. Step 5: Solve for x
    x = 831,962,572.16/35,379.20
  6. Step 6: Final answer
    x = 23,515.59

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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.