Home / 27,443.60-41,107.80-15,117.20

Finding the Fourth Proportional to 27,443.60, 41,107.80 and 15,117.20

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Solution

The fourth proportional to 27,443.60, 41,107.80 and 15,117.20 is: 22,644.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,443.60 : 41,107.80 = 15,117.20 : x
  2. Step 2: Convert to fraction form
    27,443.60/41,107.80 = 15,117.20/x
  3. Step 3: Cross multiply
    27,443.60x = 41,107.80 × 15,117.20
  4. Step 4: Simplify right side
    27,443.60x = 621,434,834.16
  5. Step 5: Solve for x
    x = 621,434,834.16/27,443.60
  6. Step 6: Final answer
    x = 22,644.07

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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.