Home / 27,892.26-38,490.84-15,316.92

Finding the Fourth Proportional to 27,892.26, 38,490.84 and 15,316.92

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Solution

The fourth proportional to 27,892.26, 38,490.84 and 15,316.92 is: 21,137.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,892.26 : 38,490.84 = 15,316.92 : x
  2. Step 2: Convert to fraction form
    27,892.26/38,490.84 = 15,316.92/x
  3. Step 3: Cross multiply
    27,892.26x = 38,490.84 × 15,316.92
  4. Step 4: Simplify right side
    27,892.26x = 589,561,117.01
  5. Step 5: Solve for x
    x = 589,561,117.01/27,892.26
  6. Step 6: Final answer
    x = 21,137.09

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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.