Home / 27,685.24-38,192.34-18,120.92

Finding the Fourth Proportional to 27,685.24, 38,192.34 and 18,120.92

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Solution

The fourth proportional to 27,685.24, 38,192.34 and 18,120.92 is: 24,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,685.24 : 38,192.34 = 18,120.92 : x
  2. Step 2: Convert to fraction form
    27,685.24/38,192.34 = 18,120.92/x
  3. Step 3: Cross multiply
    27,685.24x = 38,192.34 × 18,120.92
  4. Step 4: Simplify right side
    27,685.24x = 692,080,214.74
  5. Step 5: Solve for x
    x = 692,080,214.74/27,685.24
  6. Step 6: Final answer
    x = 24,998.17

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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.