Home / 25,265.61-34,866.81-13,935.60

Finding the Fourth Proportional to 25,265.61, 34,866.81 and 13,935.60

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Solution

The fourth proportional to 25,265.61, 34,866.81 and 13,935.60 is: 19,231.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,265.61 : 34,866.81 = 13,935.60 : x
  2. Step 2: Convert to fraction form
    25,265.61/34,866.81 = 13,935.60/x
  3. Step 3: Cross multiply
    25,265.61x = 34,866.81 × 13,935.60
  4. Step 4: Simplify right side
    25,265.61x = 485,889,917.44
  5. Step 5: Solve for x
    x = 485,889,917.44/25,265.61
  6. Step 6: Final answer
    x = 19,231.28

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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.