Home / 25,110.40-34,653.44-15,036.93

Finding the Fourth Proportional to 25,110.40, 34,653.44 and 15,036.93

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Solution

The fourth proportional to 25,110.40, 34,653.44 and 15,036.93 is: 20,751.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,110.40 : 34,653.44 = 15,036.93 : x
  2. Step 2: Convert to fraction form
    25,110.40/34,653.44 = 15,036.93/x
  3. Step 3: Cross multiply
    25,110.40x = 34,653.44 × 15,036.93
  4. Step 4: Simplify right side
    25,110.40x = 521,081,351.54
  5. Step 5: Solve for x
    x = 521,081,351.54/25,110.40
  6. Step 6: Final answer
    x = 20,751.61

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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.