Home / 27,530.80-37,992.51-14,955.55

Finding the Fourth Proportional to 27,530.80, 37,992.51 and 14,955.55

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Solution

The fourth proportional to 27,530.80, 37,992.51 and 14,955.55 is: 20,638.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,530.80 : 37,992.51 = 14,955.55 : x
  2. Step 2: Convert to fraction form
    27,530.80/37,992.51 = 14,955.55/x
  3. Step 3: Cross multiply
    27,530.80x = 37,992.51 × 14,955.55
  4. Step 4: Simplify right side
    27,530.80x = 568,198,787.95
  5. Step 5: Solve for x
    x = 568,198,787.95/27,530.80
  6. Step 6: Final answer
    x = 20,638.66

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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.