Home / 38,252.40-52,787.25-21,256.20

Finding the Fourth Proportional to 38,252.40, 52,787.25 and 21,256.20

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Solution

The fourth proportional to 38,252.40, 52,787.25 and 21,256.20 is: 29,332.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,252.40 : 52,787.25 = 21,256.20 : x
  2. Step 2: Convert to fraction form
    38,252.40/52,787.25 = 21,256.20/x
  3. Step 3: Cross multiply
    38,252.40x = 52,787.25 × 21,256.20
  4. Step 4: Simplify right side
    38,252.40x = 1,122,056,343.45
  5. Step 5: Solve for x
    x = 1,122,056,343.45/38,252.40
  6. Step 6: Final answer
    x = 29,332.97

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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.