Home / 27,530.40-37,990.08-14,954.88

Finding the Fourth Proportional to 27,530.40, 37,990.08 and 14,954.88

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Solution

The fourth proportional to 27,530.40, 37,990.08 and 14,954.88 is: 20,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,530.40 : 37,990.08 = 14,954.88 : x
  2. Step 2: Convert to fraction form
    27,530.40/37,990.08 = 14,954.88/x
  3. Step 3: Cross multiply
    27,530.40x = 37,990.08 × 14,954.88
  4. Step 4: Simplify right side
    27,530.40x = 568,137,087.59
  5. Step 5: Solve for x
    x = 568,137,087.59/27,530.40
  6. Step 6: Final answer
    x = 20,636.72

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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.