Home / 25,414.12-38,127.66-7,884.10

Finding the Fourth Proportional to 25,414.12, 38,127.66 and 7,884.10

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Solution

The fourth proportional to 25,414.12, 38,127.66 and 7,884.10 is: 11,828.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,414.12 : 38,127.66 = 7,884.10 : x
  2. Step 2: Convert to fraction form
    25,414.12/38,127.66 = 7,884.10/x
  3. Step 3: Cross multiply
    25,414.12x = 38,127.66 × 7,884.10
  4. Step 4: Simplify right side
    25,414.12x = 300,602,284.21
  5. Step 5: Solve for x
    x = 300,602,284.21/25,414.12
  6. Step 6: Final answer
    x = 11,828.16

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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.