Home / 31,425.28-43,366.56-23,394.84

Finding the Fourth Proportional to 31,425.28, 43,366.56 and 23,394.84

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Solution

The fourth proportional to 31,425.28, 43,366.56 and 23,394.84 is: 32,284.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,425.28 : 43,366.56 = 23,394.84 : x
  2. Step 2: Convert to fraction form
    31,425.28/43,366.56 = 23,394.84/x
  3. Step 3: Cross multiply
    31,425.28x = 43,366.56 × 23,394.84
  4. Step 4: Simplify right side
    31,425.28x = 1,014,553,732.55
  5. Step 5: Solve for x
    x = 1,014,553,732.55/31,425.28
  6. Step 6: Final answer
    x = 32,284.64

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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.