Home / 25,549.47-38,324.25-7,780.23

Finding the Fourth Proportional to 25,549.47, 38,324.25 and 7,780.23

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Solution

The fourth proportional to 25,549.47, 38,324.25 and 7,780.23 is: 11,670.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,549.47 : 38,324.25 = 7,780.23 : x
  2. Step 2: Convert to fraction form
    25,549.47/38,324.25 = 7,780.23/x
  3. Step 3: Cross multiply
    25,549.47x = 38,324.25 × 7,780.23
  4. Step 4: Simplify right side
    25,549.47x = 298,171,479.58
  5. Step 5: Solve for x
    x = 298,171,479.58/25,549.47
  6. Step 6: Final answer
    x = 11,670.36

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Half scale
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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.