Home / 27,999.30-38,625.40-17,919.66

Finding the Fourth Proportional to 27,999.30, 38,625.40 and 17,919.66

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Solution

The fourth proportional to 27,999.30, 38,625.40 and 17,919.66 is: 24,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,999.30 : 38,625.40 = 17,919.66 : x
  2. Step 2: Convert to fraction form
    27,999.30/38,625.40 = 17,919.66/x
  3. Step 3: Cross multiply
    27,999.30x = 38,625.40 × 17,919.66
  4. Step 4: Simplify right side
    27,999.30x = 692,154,035.36
  5. Step 5: Solve for x
    x = 692,154,035.36/27,999.30
  6. Step 6: Final answer
    x = 24,720.40

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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.