Home / 20,004.30-27,613.71-17,904.78

Finding the Fourth Proportional to 20,004.30, 27,613.71 and 17,904.78

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Solution

The fourth proportional to 20,004.30, 27,613.71 and 17,904.78 is: 24,715.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.30 : 27,613.71 = 17,904.78 : x
  2. Step 2: Convert to fraction form
    20,004.30/27,613.71 = 17,904.78/x
  3. Step 3: Cross multiply
    20,004.30x = 27,613.71 × 17,904.78
  4. Step 4: Simplify right side
    20,004.30x = 494,417,402.53
  5. Step 5: Solve for x
    x = 494,417,402.53/20,004.30
  6. Step 6: Final answer
    x = 24,715.56

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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.