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Finding the Fourth Proportional to 22,599.44, 31,182.80 and 12,527.44

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Solution

The fourth proportional to 22,599.44, 31,182.80 and 12,527.44 is: 17,285.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,599.44 : 31,182.80 = 12,527.44 : x
  2. Step 2: Convert to fraction form
    22,599.44/31,182.80 = 12,527.44/x
  3. Step 3: Cross multiply
    22,599.44x = 31,182.80 × 12,527.44
  4. Step 4: Simplify right side
    22,599.44x = 390,640,656.03
  5. Step 5: Solve for x
    x = 390,640,656.03/22,599.44
  6. Step 6: Final answer
    x = 17,285.41

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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.