Home / 27,837.84-38,416.20-15,262.80

Finding the Fourth Proportional to 27,837.84, 38,416.20 and 15,262.80

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Solution

The fourth proportional to 27,837.84, 38,416.20 and 15,262.80 is: 21,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,837.84 : 38,416.20 = 15,262.80 : x
  2. Step 2: Convert to fraction form
    27,837.84/38,416.20 = 15,262.80/x
  3. Step 3: Cross multiply
    27,837.84x = 38,416.20 × 15,262.80
  4. Step 4: Simplify right side
    27,837.84x = 586,338,777.36
  5. Step 5: Solve for x
    x = 586,338,777.36/27,837.84
  6. Step 6: Final answer
    x = 21,062.65

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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.