Home / 40,907.12-56,434.20-25,787.84

Finding the Fourth Proportional to 40,907.12, 56,434.20 and 25,787.84

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Solution

The fourth proportional to 40,907.12, 56,434.20 and 25,787.84 is: 35,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,907.12 : 56,434.20 = 25,787.84 : x
  2. Step 2: Convert to fraction form
    40,907.12/56,434.20 = 25,787.84/x
  3. Step 3: Cross multiply
    40,907.12x = 56,434.20 × 25,787.84
  4. Step 4: Simplify right side
    40,907.12x = 1,455,316,120.13
  5. Step 5: Solve for x
    x = 1,455,316,120.13/40,907.12
  6. Step 6: Final answer
    x = 35,576.11

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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.