Home / 38,609-57,913.50-10,907.72

Finding the Fourth Proportional to 38,609, 57,913.50 and 10,907.72

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Solution

The fourth proportional to 38,609, 57,913.50 and 10,907.72 is: 16,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,609 : 57,913.50 = 10,907.72 : x
  2. Step 2: Convert to fraction form
    38,609/57,913.50 = 10,907.72/x
  3. Step 3: Cross multiply
    38,609x = 57,913.50 × 10,907.72
  4. Step 4: Simplify right side
    38,609x = 631,704,242.22
  5. Step 5: Solve for x
    x = 631,704,242.22/38,609
  6. Step 6: Final answer
    x = 16,361.58

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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.