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Finding the Fourth Proportional to 27,479, 37,921.04 and 14,903.80

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Solution

The fourth proportional to 27,479, 37,921.04 and 14,903.80 is: 20,567.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,479 : 37,921.04 = 14,903.80 : x
  2. Step 2: Convert to fraction form
    27,479/37,921.04 = 14,903.80/x
  3. Step 3: Cross multiply
    27,479x = 37,921.04 × 14,903.80
  4. Step 4: Simplify right side
    27,479x = 565,167,595.95
  5. Step 5: Solve for x
    x = 565,167,595.95/27,479
  6. Step 6: Final answer
    x = 20,567.25

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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.