Home / 40,868.28-56,435.10-25,787.70

Finding the Fourth Proportional to 40,868.28, 56,435.10 and 25,787.70

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Solution

The fourth proportional to 40,868.28, 56,435.10 and 25,787.70 is: 35,610.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,868.28 : 56,435.10 = 25,787.70 : x
  2. Step 2: Convert to fraction form
    40,868.28/56,435.10 = 25,787.70/x
  3. Step 3: Cross multiply
    40,868.28x = 56,435.10 × 25,787.70
  4. Step 4: Simplify right side
    40,868.28x = 1,455,331,428.27
  5. Step 5: Solve for x
    x = 1,455,331,428.27/40,868.28
  6. Step 6: Final answer
    x = 35,610.29

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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.