Home / 40,868.15-56,434.93-25,787.57

Finding the Fourth Proportional to 40,868.15, 56,434.93 and 25,787.57

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Solution

The fourth proportional to 40,868.15, 56,434.93 and 25,787.57 is: 35,610.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,868.15 : 56,434.93 = 25,787.57 : x
  2. Step 2: Convert to fraction form
    40,868.15/56,434.93 = 25,787.57/x
  3. Step 3: Cross multiply
    40,868.15x = 56,434.93 × 25,787.57
  4. Step 4: Simplify right side
    40,868.15x = 1,455,319,361.18
  5. Step 5: Solve for x
    x = 1,455,319,361.18/40,868.15
  6. Step 6: Final answer
    x = 35,610.12

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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.