Home / 22,275.81-30,754.94-19,881.63

Finding the Fourth Proportional to 22,275.81, 30,754.94 and 19,881.63

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Solution

The fourth proportional to 22,275.81, 30,754.94 and 19,881.63 is: 27,449.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,275.81 : 30,754.94 = 19,881.63 : x
  2. Step 2: Convert to fraction form
    22,275.81/30,754.94 = 19,881.63/x
  3. Step 3: Cross multiply
    22,275.81x = 30,754.94 × 19,881.63
  4. Step 4: Simplify right side
    22,275.81x = 611,458,238.34
  5. Step 5: Solve for x
    x = 611,458,238.34/22,275.81
  6. Step 6: Final answer
    x = 27,449.43

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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.