Home / 31,033.64-42,827.19-16,887.26

Finding the Fourth Proportional to 31,033.64, 42,827.19 and 16,887.26

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Solution

The fourth proportional to 31,033.64, 42,827.19 and 16,887.26 is: 23,304.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,033.64 : 42,827.19 = 16,887.26 : x
  2. Step 2: Convert to fraction form
    31,033.64/42,827.19 = 16,887.26/x
  3. Step 3: Cross multiply
    31,033.64x = 42,827.19 × 16,887.26
  4. Step 4: Simplify right side
    31,033.64x = 723,233,892.60
  5. Step 5: Solve for x
    x = 723,233,892.60/31,033.64
  6. Step 6: Final answer
    x = 23,304.84

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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.