Home / 25,631.73-35,357.52-15,019.29

Finding the Fourth Proportional to 25,631.73, 35,357.52 and 15,019.29

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Solution

The fourth proportional to 25,631.73, 35,357.52 and 15,019.29 is: 20,718.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,631.73 : 35,357.52 = 15,019.29 : x
  2. Step 2: Convert to fraction form
    25,631.73/35,357.52 = 15,019.29/x
  3. Step 3: Cross multiply
    25,631.73x = 35,357.52 × 15,019.29
  4. Step 4: Simplify right side
    25,631.73x = 531,044,846.56
  5. Step 5: Solve for x
    x = 531,044,846.56/25,631.73
  6. Step 6: Final answer
    x = 20,718.26

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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.