Home / 25,864.80-38,816.40-10,293.60

Finding the Fourth Proportional to 25,864.80, 38,816.40 and 10,293.60

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Solution

The fourth proportional to 25,864.80, 38,816.40 and 10,293.60 is: 15,448.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,864.80 : 38,816.40 = 10,293.60 : x
  2. Step 2: Convert to fraction form
    25,864.80/38,816.40 = 10,293.60/x
  3. Step 3: Cross multiply
    25,864.80x = 38,816.40 × 10,293.60
  4. Step 4: Simplify right side
    25,864.80x = 399,560,495.04
  5. Step 5: Solve for x
    x = 399,560,495.04/25,864.80
  6. Step 6: Final answer
    x = 15,448.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.