Home / 31,072.40-42,881.04-16,926.26

Finding the Fourth Proportional to 31,072.40, 42,881.04 and 16,926.26

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Solution

The fourth proportional to 31,072.40, 42,881.04 and 16,926.26 is: 23,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,072.40 : 42,881.04 = 16,926.26 : x
  2. Step 2: Convert to fraction form
    31,072.40/42,881.04 = 16,926.26/x
  3. Step 3: Cross multiply
    31,072.40x = 42,881.04 × 16,926.26
  4. Step 4: Simplify right side
    31,072.40x = 725,815,632.11
  5. Step 5: Solve for x
    x = 725,815,632.11/31,072.40
  6. Step 6: Final answer
    x = 23,358.85

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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.