Home / 27,326.84-40,990.27-21,095.95

Finding the Fourth Proportional to 27,326.84, 40,990.27 and 21,095.95

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Solution

The fourth proportional to 27,326.84, 40,990.27 and 21,095.95 is: 31,643.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,326.84 : 40,990.27 = 21,095.95 : x
  2. Step 2: Convert to fraction form
    27,326.84/40,990.27 = 21,095.95/x
  3. Step 3: Cross multiply
    27,326.84x = 40,990.27 × 21,095.95
  4. Step 4: Simplify right side
    27,326.84x = 864,728,686.41
  5. Step 5: Solve for x
    x = 864,728,686.41/27,326.84
  6. Step 6: Final answer
    x = 31,643.93

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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.