Home / 27,008.60-40,383.30-20,010.20

Finding the Fourth Proportional to 27,008.60, 40,383.30 and 20,010.20

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Solution

The fourth proportional to 27,008.60, 40,383.30 and 20,010.20 is: 29,919.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,008.60 : 40,383.30 = 20,010.20 : x
  2. Step 2: Convert to fraction form
    27,008.60/40,383.30 = 20,010.20/x
  3. Step 3: Cross multiply
    27,008.60x = 40,383.30 × 20,010.20
  4. Step 4: Simplify right side
    27,008.60x = 808,077,909.66
  5. Step 5: Solve for x
    x = 808,077,909.66/27,008.60
  6. Step 6: Final answer
    x = 29,919.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.