Home / 31,073.27-42,881.40-16,926.21

Finding the Fourth Proportional to 31,073.27, 42,881.40 and 16,926.21

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Solution

The fourth proportional to 31,073.27, 42,881.40 and 16,926.21 is: 23,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,073.27 : 42,881.40 = 16,926.21 : x
  2. Step 2: Convert to fraction form
    31,073.27/42,881.40 = 16,926.21/x
  3. Step 3: Cross multiply
    31,073.27x = 42,881.40 × 16,926.21
  4. Step 4: Simplify right side
    31,073.27x = 725,819,581.49
  5. Step 5: Solve for x
    x = 725,819,581.49/31,073.27
  6. Step 6: Final answer
    x = 23,358.33

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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.