Home / 27,430.70-41,147.48-8,712.20

Finding the Fourth Proportional to 27,430.70, 41,147.48 and 8,712.20

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Solution

The fourth proportional to 27,430.70, 41,147.48 and 8,712.20 is: 13,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,430.70 : 41,147.48 = 8,712.20 : x
  2. Step 2: Convert to fraction form
    27,430.70/41,147.48 = 8,712.20/x
  3. Step 3: Cross multiply
    27,430.70x = 41,147.48 × 8,712.20
  4. Step 4: Simplify right side
    27,430.70x = 358,485,134.56
  5. Step 5: Solve for x
    x = 358,485,134.56/27,430.70
  6. Step 6: Final answer
    x = 13,068.76

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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.