Home / 27,430.80-41,133.22-12,635.34

Finding the Fourth Proportional to 27,430.80, 41,133.22 and 12,635.34

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Solution

The fourth proportional to 27,430.80, 41,133.22 and 12,635.34 is: 18,947.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,430.80 : 41,133.22 = 12,635.34 : x
  2. Step 2: Convert to fraction form
    27,430.80/41,133.22 = 12,635.34/x
  3. Step 3: Cross multiply
    27,430.80x = 41,133.22 × 12,635.34
  4. Step 4: Simplify right side
    27,430.80x = 519,732,219.99
  5. Step 5: Solve for x
    x = 519,732,219.99/27,430.80
  6. Step 6: Final answer
    x = 18,947.03

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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.