Home / 20,282.40-27,966.24-14,880.24

Finding the Fourth Proportional to 20,282.40, 27,966.24 and 14,880.24

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Solution

The fourth proportional to 20,282.40, 27,966.24 and 14,880.24 is: 20,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,282.40 : 27,966.24 = 14,880.24 : x
  2. Step 2: Convert to fraction form
    20,282.40/27,966.24 = 14,880.24/x
  3. Step 3: Cross multiply
    20,282.40x = 27,966.24 × 14,880.24
  4. Step 4: Simplify right side
    20,282.40x = 416,144,363.10
  5. Step 5: Solve for x
    x = 416,144,363.10/20,282.40
  6. Step 6: Final answer
    x = 20,517.51

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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.