Home / 28,756.32-43,135.67-10,038.21

Finding the Fourth Proportional to 28,756.32, 43,135.67 and 10,038.21

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Solution

The fourth proportional to 28,756.32, 43,135.67 and 10,038.21 is: 15,057.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,756.32 : 43,135.67 = 10,038.21 : x
  2. Step 2: Convert to fraction form
    28,756.32/43,135.67 = 10,038.21/x
  3. Step 3: Cross multiply
    28,756.32x = 43,135.67 × 10,038.21
  4. Step 4: Simplify right side
    28,756.32x = 433,004,913.95
  5. Step 5: Solve for x
    x = 433,004,913.95/28,756.32
  6. Step 6: Final answer
    x = 15,057.73

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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.