Home / 28,969.90-43,455.66-10,247.29

Finding the Fourth Proportional to 28,969.90, 43,455.66 and 10,247.29

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Solution

The fourth proportional to 28,969.90, 43,455.66 and 10,247.29 is: 15,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969.90 : 43,455.66 = 10,247.29 : x
  2. Step 2: Convert to fraction form
    28,969.90/43,455.66 = 10,247.29/x
  3. Step 3: Cross multiply
    28,969.90x = 43,455.66 × 10,247.29
  4. Step 4: Simplify right side
    28,969.90x = 445,302,750.16
  5. Step 5: Solve for x
    x = 445,302,750.16/28,969.90
  6. Step 6: Final answer
    x = 15,371.22

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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.