Home / 40,787.80-56,298.17-26,640.34

Finding the Fourth Proportional to 40,787.80, 56,298.17 and 26,640.34

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Solution

The fourth proportional to 40,787.80, 56,298.17 and 26,640.34 is: 36,770.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,787.80 : 56,298.17 = 26,640.34 : x
  2. Step 2: Convert to fraction form
    40,787.80/56,298.17 = 26,640.34/x
  3. Step 3: Cross multiply
    40,787.80x = 56,298.17 × 26,640.34
  4. Step 4: Simplify right side
    40,787.80x = 1,499,802,390.18
  5. Step 5: Solve for x
    x = 1,499,802,390.18/40,787.80
  6. Step 6: Final answer
    x = 36,770.86

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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.