Home / 31,454.64-43,411.62-28,797.28

Finding the Fourth Proportional to 31,454.64, 43,411.62 and 28,797.28

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Solution

The fourth proportional to 31,454.64, 43,411.62 and 28,797.28 is: 39,744.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,454.64 : 43,411.62 = 28,797.28 : x
  2. Step 2: Convert to fraction form
    31,454.64/43,411.62 = 28,797.28/x
  3. Step 3: Cross multiply
    31,454.64x = 43,411.62 × 28,797.28
  4. Step 4: Simplify right side
    31,454.64x = 1,250,136,576.39
  5. Step 5: Solve for x
    x = 1,250,136,576.39/31,454.64
  6. Step 6: Final answer
    x = 39,744.11

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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.