Home / 25,653.46-38,479.78-13,166.28

Finding the Fourth Proportional to 25,653.46, 38,479.78 and 13,166.28

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Solution

The fourth proportional to 25,653.46, 38,479.78 and 13,166.28 is: 19,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,653.46 : 38,479.78 = 13,166.28 : x
  2. Step 2: Convert to fraction form
    25,653.46/38,479.78 = 13,166.28/x
  3. Step 3: Cross multiply
    25,653.46x = 38,479.78 × 13,166.28
  4. Step 4: Simplify right side
    25,653.46x = 506,635,557.82
  5. Step 5: Solve for x
    x = 506,635,557.82/25,653.46
  6. Step 6: Final answer
    x = 19,749.21

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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.