Home / 21,370.45-32,048.83-7,135.87

Finding the Fourth Proportional to 21,370.45, 32,048.83 and 7,135.87

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Solution

The fourth proportional to 21,370.45, 32,048.83 and 7,135.87 is: 10,701.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,370.45 : 32,048.83 = 7,135.87 : x
  2. Step 2: Convert to fraction form
    21,370.45/32,048.83 = 7,135.87/x
  3. Step 3: Cross multiply
    21,370.45x = 32,048.83 × 7,135.87
  4. Step 4: Simplify right side
    21,370.45x = 228,696,284.53
  5. Step 5: Solve for x
    x = 228,696,284.53/21,370.45
  6. Step 6: Final answer
    x = 10,701.52

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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.