Home / 27,078.07-40,612.92-10,445.89

Finding the Fourth Proportional to 27,078.07, 40,612.92 and 10,445.89

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Solution

The fourth proportional to 27,078.07, 40,612.92 and 10,445.89 is: 15,667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078.07 : 40,612.92 = 10,445.89 : x
  2. Step 2: Convert to fraction form
    27,078.07/40,612.92 = 10,445.89/x
  3. Step 3: Cross multiply
    27,078.07x = 40,612.92 × 10,445.89
  4. Step 4: Simplify right side
    27,078.07x = 424,238,094.90
  5. Step 5: Solve for x
    x = 424,238,094.90/27,078.07
  6. Step 6: Final answer
    x = 15,667.22

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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.