Home / 20,254.04-27,936.66-18,581

Finding the Fourth Proportional to 20,254.04, 27,936.66 and 18,581

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Solution

The fourth proportional to 20,254.04, 27,936.66 and 18,581 is: 25,629.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.04 : 27,936.66 = 18,581 : x
  2. Step 2: Convert to fraction form
    20,254.04/27,936.66 = 18,581/x
  3. Step 3: Cross multiply
    20,254.04x = 27,936.66 × 18,581
  4. Step 4: Simplify right side
    20,254.04x = 519,091,079.46
  5. Step 5: Solve for x
    x = 519,091,079.46/20,254.04
  6. Step 6: Final answer
    x = 25,629.01

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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.