Home / 18,405.36-27,569.04-15,277.92

Finding the Fourth Proportional to 18,405.36, 27,569.04 and 15,277.92

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Solution

The fourth proportional to 18,405.36, 27,569.04 and 15,277.92 is: 22,884.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,405.36 : 27,569.04 = 15,277.92 : x
  2. Step 2: Convert to fraction form
    18,405.36/27,569.04 = 15,277.92/x
  3. Step 3: Cross multiply
    18,405.36x = 27,569.04 × 15,277.92
  4. Step 4: Simplify right side
    18,405.36x = 421,197,587.60
  5. Step 5: Solve for x
    x = 421,197,587.60/18,405.36
  6. Step 6: Final answer
    x = 22,884.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.