Home / 25,428.08-35,089.80-14,249.36

Finding the Fourth Proportional to 25,428.08, 35,089.80 and 14,249.36

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Solution

The fourth proportional to 25,428.08, 35,089.80 and 14,249.36 is: 19,663.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,428.08 : 35,089.80 = 14,249.36 : x
  2. Step 2: Convert to fraction form
    25,428.08/35,089.80 = 14,249.36/x
  3. Step 3: Cross multiply
    25,428.08x = 35,089.80 × 14,249.36
  4. Step 4: Simplify right side
    25,428.08x = 500,007,192.53
  5. Step 5: Solve for x
    x = 500,007,192.53/25,428.08
  6. Step 6: Final answer
    x = 19,663.58

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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.