Home / 40,787.12-56,288.80-22,883.28

Finding the Fourth Proportional to 40,787.12, 56,288.80 and 22,883.28

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Solution

The fourth proportional to 40,787.12, 56,288.80 and 22,883.28 is: 31,580.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,787.12 : 56,288.80 = 22,883.28 : x
  2. Step 2: Convert to fraction form
    40,787.12/56,288.80 = 22,883.28/x
  3. Step 3: Cross multiply
    40,787.12x = 56,288.80 × 22,883.28
  4. Step 4: Simplify right side
    40,787.12x = 1,288,072,371.26
  5. Step 5: Solve for x
    x = 1,288,072,371.26/40,787.12
  6. Step 6: Final answer
    x = 31,580.37

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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.