Home / 27,617.30-38,111.86-15,042.05

Finding the Fourth Proportional to 27,617.30, 38,111.86 and 15,042.05

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Solution

The fourth proportional to 27,617.30, 38,111.86 and 15,042.05 is: 20,758.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,617.30 : 38,111.86 = 15,042.05 : x
  2. Step 2: Convert to fraction form
    27,617.30/38,111.86 = 15,042.05/x
  3. Step 3: Cross multiply
    27,617.30x = 38,111.86 × 15,042.05
  4. Step 4: Simplify right side
    27,617.30x = 573,280,428.50
  5. Step 5: Solve for x
    x = 573,280,428.50/27,617.30
  6. Step 6: Final answer
    x = 20,758.02

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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.