Home / 20,304.51-30,592.16-18,332.36

Finding the Fourth Proportional to 20,304.51, 30,592.16 and 18,332.36

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Solution

The fourth proportional to 20,304.51, 30,592.16 and 18,332.36 is: 27,620.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,304.51 : 30,592.16 = 18,332.36 : x
  2. Step 2: Convert to fraction form
    20,304.51/30,592.16 = 18,332.36/x
  3. Step 3: Cross multiply
    20,304.51x = 30,592.16 × 18,332.36
  4. Step 4: Simplify right side
    20,304.51x = 560,826,532.26
  5. Step 5: Solve for x
    x = 560,826,532.26/20,304.51
  6. Step 6: Final answer
    x = 27,620.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.