Home / 17,280.88-23,839.08-10,995.28

Finding the Fourth Proportional to 17,280.88, 23,839.08 and 10,995.28

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Solution

The fourth proportional to 17,280.88, 23,839.08 and 10,995.28 is: 15,168.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280.88 : 23,839.08 = 10,995.28 : x
  2. Step 2: Convert to fraction form
    17,280.88/23,839.08 = 10,995.28/x
  3. Step 3: Cross multiply
    17,280.88x = 23,839.08 × 10,995.28
  4. Step 4: Simplify right side
    17,280.88x = 262,117,359.54
  5. Step 5: Solve for x
    x = 262,117,359.54/17,280.88
  6. Step 6: Final answer
    x = 15,168.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.