Home / 27,730.85-38,272.52-15,795.29

Finding the Fourth Proportional to 27,730.85, 38,272.52 and 15,795.29

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Solution

The fourth proportional to 27,730.85, 38,272.52 and 15,795.29 is: 21,799.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,730.85 : 38,272.52 = 15,795.29 : x
  2. Step 2: Convert to fraction form
    27,730.85/38,272.52 = 15,795.29/x
  3. Step 3: Cross multiply
    27,730.85x = 38,272.52 × 15,795.29
  4. Step 4: Simplify right side
    27,730.85x = 604,525,282.09
  5. Step 5: Solve for x
    x = 604,525,282.09/27,730.85
  6. Step 6: Final answer
    x = 21,799.74

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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.