Home / 28,115.68-42,182.46-17,592.40

Finding the Fourth Proportional to 28,115.68, 42,182.46 and 17,592.40

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Solution

The fourth proportional to 28,115.68, 42,182.46 and 17,592.40 is: 26,394.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,115.68 : 42,182.46 = 17,592.40 : x
  2. Step 2: Convert to fraction form
    28,115.68/42,182.46 = 17,592.40/x
  3. Step 3: Cross multiply
    28,115.68x = 42,182.46 × 17,592.40
  4. Step 4: Simplify right side
    28,115.68x = 742,090,709.30
  5. Step 5: Solve for x
    x = 742,090,709.30/28,115.68
  6. Step 6: Final answer
    x = 26,394.19

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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.