Home / 28,558.92-39,369.96-19,592.40

Finding the Fourth Proportional to 28,558.92, 39,369.96 and 19,592.40

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Solution

The fourth proportional to 28,558.92, 39,369.96 and 19,592.40 is: 27,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,558.92 : 39,369.96 = 19,592.40 : x
  2. Step 2: Convert to fraction form
    28,558.92/39,369.96 = 19,592.40/x
  3. Step 3: Cross multiply
    28,558.92x = 39,369.96 × 19,592.40
  4. Step 4: Simplify right side
    28,558.92x = 771,352,004.30
  5. Step 5: Solve for x
    x = 771,352,004.30/28,558.92
  6. Step 6: Final answer
    x = 27,009.14

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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.