Home / 25,362.68-35,001.24-13,878.28

Finding the Fourth Proportional to 25,362.68, 35,001.24 and 13,878.28

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Solution

The fourth proportional to 25,362.68, 35,001.24 and 13,878.28 is: 19,152.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,362.68 : 35,001.24 = 13,878.28 : x
  2. Step 2: Convert to fraction form
    25,362.68/35,001.24 = 13,878.28/x
  3. Step 3: Cross multiply
    25,362.68x = 35,001.24 × 13,878.28
  4. Step 4: Simplify right side
    25,362.68x = 485,757,009.07
  5. Step 5: Solve for x
    x = 485,757,009.07/25,362.68
  6. Step 6: Final answer
    x = 19,152.43

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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.