Home / 31,400.28-43,332.37-17,253.12

Finding the Fourth Proportional to 31,400.28, 43,332.37 and 17,253.12

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Solution

The fourth proportional to 31,400.28, 43,332.37 and 17,253.12 is: 23,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400.28 : 43,332.37 = 17,253.12 : x
  2. Step 2: Convert to fraction form
    31,400.28/43,332.37 = 17,253.12/x
  3. Step 3: Cross multiply
    31,400.28x = 43,332.37 × 17,253.12
  4. Step 4: Simplify right side
    31,400.28x = 747,618,579.49
  5. Step 5: Solve for x
    x = 747,618,579.49/31,400.28
  6. Step 6: Final answer
    x = 23,809.30

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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.