Home / 25,431.66-38,147.49-7,901.51

Finding the Fourth Proportional to 25,431.66, 38,147.49 and 7,901.51

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Solution

The fourth proportional to 25,431.66, 38,147.49 and 7,901.51 is: 11,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,431.66 : 38,147.49 = 7,901.51 : x
  2. Step 2: Convert to fraction form
    25,431.66/38,147.49 = 7,901.51/x
  3. Step 3: Cross multiply
    25,431.66x = 38,147.49 × 7,901.51
  4. Step 4: Simplify right side
    25,431.66x = 301,422,582.97
  5. Step 5: Solve for x
    x = 301,422,582.97/25,431.66
  6. Step 6: Final answer
    x = 11,852.26

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Half scale
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Double scale
Find fourth proportional to 25,432.66, 38,148.99 and 7,902.51
Similar ratio
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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.