Home / 28,683.35-43,018.53-10,907.65

Finding the Fourth Proportional to 28,683.35, 43,018.53 and 10,907.65

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Solution

The fourth proportional to 28,683.35, 43,018.53 and 10,907.65 is: 16,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,683.35 : 43,018.53 = 10,907.65 : x
  2. Step 2: Convert to fraction form
    28,683.35/43,018.53 = 10,907.65/x
  3. Step 3: Cross multiply
    28,683.35x = 43,018.53 × 10,907.65
  4. Step 4: Simplify right side
    28,683.35x = 469,231,068.75
  5. Step 5: Solve for x
    x = 469,231,068.75/28,683.35
  6. Step 6: Final answer
    x = 16,359.01

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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.