Home / 25,201.30-34,783.05-15,130.17

Finding the Fourth Proportional to 25,201.30, 34,783.05 and 15,130.17

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Solution

The fourth proportional to 25,201.30, 34,783.05 and 15,130.17 is: 20,882.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,201.30 : 34,783.05 = 15,130.17 : x
  2. Step 2: Convert to fraction form
    25,201.30/34,783.05 = 15,130.17/x
  3. Step 3: Cross multiply
    25,201.30x = 34,783.05 × 15,130.17
  4. Step 4: Simplify right side
    25,201.30x = 526,273,459.62
  5. Step 5: Solve for x
    x = 526,273,459.62/25,201.30
  6. Step 6: Final answer
    x = 20,882.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.