Home / 28,634.94-42,973.22-21,623.63

Finding the Fourth Proportional to 28,634.94, 42,973.22 and 21,623.63

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Solution

The fourth proportional to 28,634.94, 42,973.22 and 21,623.63 is: 32,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,634.94 : 42,973.22 = 21,623.63 : x
  2. Step 2: Convert to fraction form
    28,634.94/42,973.22 = 21,623.63/x
  3. Step 3: Cross multiply
    28,634.94x = 42,973.22 × 21,623.63
  4. Step 4: Simplify right side
    28,634.94x = 929,236,848.38
  5. Step 5: Solve for x
    x = 929,236,848.38/28,634.94
  6. Step 6: Final answer
    x = 32,451.15

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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.