Home / 27,380.46-37,785.06-14,805.21

Finding the Fourth Proportional to 27,380.46, 37,785.06 and 14,805.21

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Solution

The fourth proportional to 27,380.46, 37,785.06 and 14,805.21 is: 20,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.46 : 37,785.06 = 14,805.21 : x
  2. Step 2: Convert to fraction form
    27,380.46/37,785.06 = 14,805.21/x
  3. Step 3: Cross multiply
    27,380.46x = 37,785.06 × 14,805.21
  4. Step 4: Simplify right side
    27,380.46x = 559,415,748.16
  5. Step 5: Solve for x
    x = 559,415,748.16/27,380.46
  6. Step 6: Final answer
    x = 20,431.20

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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.