Home / 31,033.39-42,827.15-16,886.77

Finding the Fourth Proportional to 31,033.39, 42,827.15 and 16,886.77

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Solution

The fourth proportional to 31,033.39, 42,827.15 and 16,886.77 is: 23,304.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,033.39 : 42,827.15 = 16,886.77 : x
  2. Step 2: Convert to fraction form
    31,033.39/42,827.15 = 16,886.77/x
  3. Step 3: Cross multiply
    31,033.39x = 42,827.15 × 16,886.77
  4. Step 4: Simplify right side
    31,033.39x = 723,212,231.81
  5. Step 5: Solve for x
    x = 723,212,231.81/31,033.39
  6. Step 6: Final answer
    x = 23,304.33

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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.