Home / 31,399.84-43,332.32-17,253.28

Finding the Fourth Proportional to 31,399.84, 43,332.32 and 17,253.28

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Solution

The fourth proportional to 31,399.84, 43,332.32 and 17,253.28 is: 23,809.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.84 : 43,332.32 = 17,253.28 : x
  2. Step 2: Convert to fraction form
    31,399.84/43,332.32 = 17,253.28/x
  3. Step 3: Cross multiply
    31,399.84x = 43,332.32 × 17,253.28
  4. Step 4: Simplify right side
    31,399.84x = 747,624,650.01
  5. Step 5: Solve for x
    x = 747,624,650.01/31,399.84
  6. Step 6: Final answer
    x = 23,809.82

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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.