Home / 25,361.68-34,999.86-13,877.28

Finding the Fourth Proportional to 25,361.68, 34,999.86 and 13,877.28

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Solution

The fourth proportional to 25,361.68, 34,999.86 and 13,877.28 is: 19,151.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,361.68 : 34,999.86 = 13,877.28 : x
  2. Step 2: Convert to fraction form
    25,361.68/34,999.86 = 13,877.28/x
  3. Step 3: Cross multiply
    25,361.68x = 34,999.86 × 13,877.28
  4. Step 4: Simplify right side
    25,361.68x = 485,702,857.18
  5. Step 5: Solve for x
    x = 485,702,857.18/25,361.68
  6. Step 6: Final answer
    x = 19,151.05

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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.