Home / 20,253.04-27,935.28-18,580

Finding the Fourth Proportional to 20,253.04, 27,935.28 and 18,580

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Solution

The fourth proportional to 20,253.04, 27,935.28 and 18,580 is: 25,627.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.04 : 27,935.28 = 18,580 : x
  2. Step 2: Convert to fraction form
    20,253.04/27,935.28 = 18,580/x
  3. Step 3: Cross multiply
    20,253.04x = 27,935.28 × 18,580
  4. Step 4: Simplify right side
    20,253.04x = 519,037,502.40
  5. Step 5: Solve for x
    x = 519,037,502.40/20,253.04
  6. Step 6: Final answer
    x = 25,627.63

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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.