Home / 40,153.68-55,361.70-25,788.15

Finding the Fourth Proportional to 40,153.68, 55,361.70 and 25,788.15

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Solution

The fourth proportional to 40,153.68, 55,361.70 and 25,788.15 is: 35,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,153.68 : 55,361.70 = 25,788.15 : x
  2. Step 2: Convert to fraction form
    40,153.68/55,361.70 = 25,788.15/x
  3. Step 3: Cross multiply
    40,153.68x = 55,361.70 × 25,788.15
  4. Step 4: Simplify right side
    40,153.68x = 1,427,675,823.86
  5. Step 5: Solve for x
    x = 1,427,675,823.86/40,153.68
  6. Step 6: Final answer
    x = 35,555.29

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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.