Home / 27,981.15-41,964.81-17,445.75

Finding the Fourth Proportional to 27,981.15, 41,964.81 and 17,445.75

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Solution

The fourth proportional to 27,981.15, 41,964.81 and 17,445.75 is: 26,164.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.15 : 41,964.81 = 17,445.75 : x
  2. Step 2: Convert to fraction form
    27,981.15/41,964.81 = 17,445.75/x
  3. Step 3: Cross multiply
    27,981.15x = 41,964.81 × 17,445.75
  4. Step 4: Simplify right side
    27,981.15x = 732,107,584.06
  5. Step 5: Solve for x
    x = 732,107,584.06/27,981.15
  6. Step 6: Final answer
    x = 26,164.31

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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.