Home / 28,683.09-43,018.15-10,907.41

Finding the Fourth Proportional to 28,683.09, 43,018.15 and 10,907.41

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Solution

The fourth proportional to 28,683.09, 43,018.15 and 10,907.41 is: 16,358.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,683.09 : 43,018.15 = 10,907.41 : x
  2. Step 2: Convert to fraction form
    28,683.09/43,018.15 = 10,907.41/x
  3. Step 3: Cross multiply
    28,683.09x = 43,018.15 × 10,907.41
  4. Step 4: Simplify right side
    28,683.09x = 469,216,544.95
  5. Step 5: Solve for x
    x = 469,216,544.95/28,683.09
  6. Step 6: Final answer
    x = 16,358.65

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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.