Home / 20,288.10-27,999.14-14,935.04

Finding the Fourth Proportional to 20,288.10, 27,999.14 and 14,935.04

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Solution

The fourth proportional to 20,288.10, 27,999.14 and 14,935.04 is: 20,611.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,288.10 : 27,999.14 = 14,935.04 : x
  2. Step 2: Convert to fraction form
    20,288.10/27,999.14 = 14,935.04/x
  3. Step 3: Cross multiply
    20,288.10x = 27,999.14 × 14,935.04
  4. Step 4: Simplify right side
    20,288.10x = 418,168,275.87
  5. Step 5: Solve for x
    x = 418,168,275.87/20,288.10
  6. Step 6: Final answer
    x = 20,611.51

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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.