Home / 25,480.98-38,177.46-13,802.40

Finding the Fourth Proportional to 25,480.98, 38,177.46 and 13,802.40

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Solution

The fourth proportional to 25,480.98, 38,177.46 and 13,802.40 is: 20,679.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,480.98 : 38,177.46 = 13,802.40 : x
  2. Step 2: Convert to fraction form
    25,480.98/38,177.46 = 13,802.40/x
  3. Step 3: Cross multiply
    25,480.98x = 38,177.46 × 13,802.40
  4. Step 4: Simplify right side
    25,480.98x = 526,940,573.90
  5. Step 5: Solve for x
    x = 526,940,573.90/25,480.98
  6. Step 6: Final answer
    x = 20,679.76

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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.