Home / 27,989.72-41,995.52-10,455.45

Finding the Fourth Proportional to 27,989.72, 41,995.52 and 10,455.45

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Solution

The fourth proportional to 27,989.72, 41,995.52 and 10,455.45 is: 15,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,989.72 : 41,995.52 = 10,455.45 : x
  2. Step 2: Convert to fraction form
    27,989.72/41,995.52 = 10,455.45/x
  3. Step 3: Cross multiply
    27,989.72x = 41,995.52 × 10,455.45
  4. Step 4: Simplify right side
    27,989.72x = 439,082,007.31
  5. Step 5: Solve for x
    x = 439,082,007.31/27,989.72
  6. Step 6: Final answer
    x = 15,687.26

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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.