Home / 19,949.28-27,528.84-10,995

Finding the Fourth Proportional to 19,949.28, 27,528.84 and 10,995

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Solution

The fourth proportional to 19,949.28, 27,528.84 and 10,995 is: 15,172.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.28 : 27,528.84 = 10,995 : x
  2. Step 2: Convert to fraction form
    19,949.28/27,528.84 = 10,995/x
  3. Step 3: Cross multiply
    19,949.28x = 27,528.84 × 10,995
  4. Step 4: Simplify right side
    19,949.28x = 302,679,595.80
  5. Step 5: Solve for x
    x = 302,679,595.80/19,949.28
  6. Step 6: Final answer
    x = 15,172.46

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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.