Home / 20,616.59-30,872.55-17,276.06

Finding the Fourth Proportional to 20,616.59, 30,872.55 and 17,276.06

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Solution

The fourth proportional to 20,616.59, 30,872.55 and 17,276.06 is: 25,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616.59 : 30,872.55 = 17,276.06 : x
  2. Step 2: Convert to fraction form
    20,616.59/30,872.55 = 17,276.06/x
  3. Step 3: Cross multiply
    20,616.59x = 30,872.55 × 17,276.06
  4. Step 4: Simplify right side
    20,616.59x = 533,356,168.12
  5. Step 5: Solve for x
    x = 533,356,168.12/20,616.59
  6. Step 6: Final answer
    x = 25,870.24

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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.