Home / 27,841.38-38,420.30-15,904.48

Finding the Fourth Proportional to 27,841.38, 38,420.30 and 15,904.48

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Solution

The fourth proportional to 27,841.38, 38,420.30 and 15,904.48 is: 21,947.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,841.38 : 38,420.30 = 15,904.48 : x
  2. Step 2: Convert to fraction form
    27,841.38/38,420.30 = 15,904.48/x
  3. Step 3: Cross multiply
    27,841.38x = 38,420.30 × 15,904.48
  4. Step 4: Simplify right side
    27,841.38x = 611,054,892.94
  5. Step 5: Solve for x
    x = 611,054,892.94/27,841.38
  6. Step 6: Final answer
    x = 21,947.72

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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.