Home / 25,765.43-35,554.68-15,153.08

Finding the Fourth Proportional to 25,765.43, 35,554.68 and 15,153.08

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Solution

The fourth proportional to 25,765.43, 35,554.68 and 15,153.08 is: 20,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,765.43 : 35,554.68 = 15,153.08 : x
  2. Step 2: Convert to fraction form
    25,765.43/35,554.68 = 15,153.08/x
  3. Step 3: Cross multiply
    25,765.43x = 35,554.68 × 15,153.08
  4. Step 4: Simplify right side
    25,765.43x = 538,762,732.64
  5. Step 5: Solve for x
    x = 538,762,732.64/25,765.43
  6. Step 6: Final answer
    x = 20,910.30

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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.