Home / 27,123.25-40,684.88-13,080.66

Finding the Fourth Proportional to 27,123.25, 40,684.88 and 13,080.66

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Solution

The fourth proportional to 27,123.25, 40,684.88 and 13,080.66 is: 19,621.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,123.25 : 40,684.88 = 13,080.66 : x
  2. Step 2: Convert to fraction form
    27,123.25/40,684.88 = 13,080.66/x
  3. Step 3: Cross multiply
    27,123.25x = 40,684.88 × 13,080.66
  4. Step 4: Simplify right side
    27,123.25x = 532,185,216.83
  5. Step 5: Solve for x
    x = 532,185,216.83/27,123.25
  6. Step 6: Final answer
    x = 19,621.00

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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.