Home / 40,782.80-56,282.28-22,876.88

Finding the Fourth Proportional to 40,782.80, 56,282.28 and 22,876.88

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Solution

The fourth proportional to 40,782.80, 56,282.28 and 22,876.88 is: 31,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,782.80 : 56,282.28 = 22,876.88 : x
  2. Step 2: Convert to fraction form
    40,782.80/56,282.28 = 22,876.88/x
  3. Step 3: Cross multiply
    40,782.80x = 56,282.28 × 22,876.88
  4. Step 4: Simplify right side
    40,782.80x = 1,287,562,965.69
  5. Step 5: Solve for x
    x = 1,287,562,965.69/40,782.80
  6. Step 6: Final answer
    x = 31,571.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.