Home / 27,430.20-41,143.24-9,900.02

Finding the Fourth Proportional to 27,430.20, 41,143.24 and 9,900.02

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Solution

The fourth proportional to 27,430.20, 41,143.24 and 9,900.02 is: 14,849.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,430.20 : 41,143.24 = 9,900.02 : x
  2. Step 2: Convert to fraction form
    27,430.20/41,143.24 = 9,900.02/x
  3. Step 3: Cross multiply
    27,430.20x = 41,143.24 × 9,900.02
  4. Step 4: Simplify right side
    27,430.20x = 407,319,014.10
  5. Step 5: Solve for x
    x = 407,319,014.10/27,430.20
  6. Step 6: Final answer
    x = 14,849.29

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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.