Home / 27,570.90-41,331.76-12,759.46

Finding the Fourth Proportional to 27,570.90, 41,331.76 and 12,759.46

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Solution

The fourth proportional to 27,570.90, 41,331.76 and 12,759.46 is: 19,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,570.90 : 41,331.76 = 12,759.46 : x
  2. Step 2: Convert to fraction form
    27,570.90/41,331.76 = 12,759.46/x
  3. Step 3: Cross multiply
    27,570.90x = 41,331.76 × 12,759.46
  4. Step 4: Simplify right side
    27,570.90x = 527,370,938.45
  5. Step 5: Solve for x
    x = 527,370,938.45/27,570.90
  6. Step 6: Final answer
    x = 19,127.81

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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.