Home / 20,064.04-27,687.61-10,989.25

Finding the Fourth Proportional to 20,064.04, 27,687.61 and 10,989.25

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Solution

The fourth proportional to 20,064.04, 27,687.61 and 10,989.25 is: 15,164.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.04 : 27,687.61 = 10,989.25 : x
  2. Step 2: Convert to fraction form
    20,064.04/27,687.61 = 10,989.25/x
  3. Step 3: Cross multiply
    20,064.04x = 27,687.61 × 10,989.25
  4. Step 4: Simplify right side
    20,064.04x = 304,266,106.64
  5. Step 5: Solve for x
    x = 304,266,106.64/20,064.04
  6. Step 6: Final answer
    x = 15,164.75

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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.