Home / 27,091.12-37,388.90-15,761.10

Finding the Fourth Proportional to 27,091.12, 37,388.90 and 15,761.10

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Solution

The fourth proportional to 27,091.12, 37,388.90 and 15,761.10 is: 21,752.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,091.12 : 37,388.90 = 15,761.10 : x
  2. Step 2: Convert to fraction form
    27,091.12/37,388.90 = 15,761.10/x
  3. Step 3: Cross multiply
    27,091.12x = 37,388.90 × 15,761.10
  4. Step 4: Simplify right side
    27,091.12x = 589,290,191.79
  5. Step 5: Solve for x
    x = 589,290,191.79/27,091.12
  6. Step 6: Final answer
    x = 21,752.15

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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.