Home / 28,054.55-38,709.64-17,849.63

Finding the Fourth Proportional to 28,054.55, 38,709.64 and 17,849.63

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Solution

The fourth proportional to 28,054.55, 38,709.64 and 17,849.63 is: 24,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054.55 : 38,709.64 = 17,849.63 : x
  2. Step 2: Convert to fraction form
    28,054.55/38,709.64 = 17,849.63/x
  3. Step 3: Cross multiply
    28,054.55x = 38,709.64 × 17,849.63
  4. Step 4: Simplify right side
    28,054.55x = 690,952,870.52
  5. Step 5: Solve for x
    x = 690,952,870.52/28,054.55
  6. Step 6: Final answer
    x = 24,628.90

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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.