Home / 27,933.24-38,536.88-15,990.14

Finding the Fourth Proportional to 27,933.24, 38,536.88 and 15,990.14

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Solution

The fourth proportional to 27,933.24, 38,536.88 and 15,990.14 is: 22,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,933.24 : 38,536.88 = 15,990.14 : x
  2. Step 2: Convert to fraction form
    27,933.24/38,536.88 = 15,990.14/x
  3. Step 3: Cross multiply
    27,933.24x = 38,536.88 × 15,990.14
  4. Step 4: Simplify right side
    27,933.24x = 616,210,106.36
  5. Step 5: Solve for x
    x = 616,210,106.36/27,933.24
  6. Step 6: Final answer
    x = 22,060.10

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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.