Home / 27,485.40-37,929.70-14,910.12

Finding the Fourth Proportional to 27,485.40, 37,929.70 and 14,910.12

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Solution

The fourth proportional to 27,485.40, 37,929.70 and 14,910.12 is: 20,575.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485.40 : 37,929.70 = 14,910.12 : x
  2. Step 2: Convert to fraction form
    27,485.40/37,929.70 = 14,910.12/x
  3. Step 3: Cross multiply
    27,485.40x = 37,929.70 × 14,910.12
  4. Step 4: Simplify right side
    27,485.40x = 565,536,378.56
  5. Step 5: Solve for x
    x = 565,536,378.56/27,485.40
  6. Step 6: Final answer
    x = 20,575.88

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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.