Home / 25,216.28-34,765.95-20,662.03

Finding the Fourth Proportional to 25,216.28, 34,765.95 and 20,662.03

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Solution

The fourth proportional to 25,216.28, 34,765.95 and 20,662.03 is: 28,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,216.28 : 34,765.95 = 20,662.03 : x
  2. Step 2: Convert to fraction form
    25,216.28/34,765.95 = 20,662.03/x
  3. Step 3: Cross multiply
    25,216.28x = 34,765.95 × 20,662.03
  4. Step 4: Simplify right side
    25,216.28x = 718,334,979.76
  5. Step 5: Solve for x
    x = 718,334,979.76/25,216.28
  6. Step 6: Final answer
    x = 28,486.95

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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.