Home / 27,776.94-38,333.87-15,842.58

Finding the Fourth Proportional to 27,776.94, 38,333.87 and 15,842.58

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Solution

The fourth proportional to 27,776.94, 38,333.87 and 15,842.58 is: 21,863.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,776.94 : 38,333.87 = 15,842.58 : x
  2. Step 2: Convert to fraction form
    27,776.94/38,333.87 = 15,842.58/x
  3. Step 3: Cross multiply
    27,776.94x = 38,333.87 × 15,842.58
  4. Step 4: Simplify right side
    27,776.94x = 607,307,402.18
  5. Step 5: Solve for x
    x = 607,307,402.18/27,776.94
  6. Step 6: Final answer
    x = 21,863.73

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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.