Home / 27,023.80-40,535.70-18,713.20

Finding the Fourth Proportional to 27,023.80, 40,535.70 and 18,713.20

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Solution

The fourth proportional to 27,023.80, 40,535.70 and 18,713.20 is: 28,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,023.80 : 40,535.70 = 18,713.20 : x
  2. Step 2: Convert to fraction form
    27,023.80/40,535.70 = 18,713.20/x
  3. Step 3: Cross multiply
    27,023.80x = 40,535.70 × 18,713.20
  4. Step 4: Simplify right side
    27,023.80x = 758,552,661.24
  5. Step 5: Solve for x
    x = 758,552,661.24/27,023.80
  6. Step 6: Final answer
    x = 28,069.80

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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.