Home / 27,207.36-40,838.58-18,858.60

Finding the Fourth Proportional to 27,207.36, 40,838.58 and 18,858.60

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Solution

The fourth proportional to 27,207.36, 40,838.58 and 18,858.60 is: 28,306.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,207.36 : 40,838.58 = 18,858.60 : x
  2. Step 2: Convert to fraction form
    27,207.36/40,838.58 = 18,858.60/x
  3. Step 3: Cross multiply
    27,207.36x = 40,838.58 × 18,858.60
  4. Step 4: Simplify right side
    27,207.36x = 770,158,444.79
  5. Step 5: Solve for x
    x = 770,158,444.79/27,207.36
  6. Step 6: Final answer
    x = 28,306.99

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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.