Home / 27,078.08-40,612.92-10,445.90

Finding the Fourth Proportional to 27,078.08, 40,612.92 and 10,445.90

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Solution

The fourth proportional to 27,078.08, 40,612.92 and 10,445.90 is: 15,667.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078.08 : 40,612.92 = 10,445.90 : x
  2. Step 2: Convert to fraction form
    27,078.08/40,612.92 = 10,445.90/x
  3. Step 3: Cross multiply
    27,078.08x = 40,612.92 × 10,445.90
  4. Step 4: Simplify right side
    27,078.08x = 424,238,501.03
  5. Step 5: Solve for x
    x = 424,238,501.03/27,078.08
  6. Step 6: Final answer
    x = 15,667.23

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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.