Home / 28,683.31-43,018.47-10,907.63

Finding the Fourth Proportional to 28,683.31, 43,018.47 and 10,907.63

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Solution

The fourth proportional to 28,683.31, 43,018.47 and 10,907.63 is: 16,358.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,683.31 : 43,018.47 = 10,907.63 : x
  2. Step 2: Convert to fraction form
    28,683.31/43,018.47 = 10,907.63/x
  3. Step 3: Cross multiply
    28,683.31x = 43,018.47 × 10,907.63
  4. Step 4: Simplify right side
    28,683.31x = 469,229,553.93
  5. Step 5: Solve for x
    x = 469,229,553.93/28,683.31
  6. Step 6: Final answer
    x = 16,358.98

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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.