Home / 27,078.69-40,602.45-10,436.58

Finding the Fourth Proportional to 27,078.69, 40,602.45 and 10,436.58

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Solution

The fourth proportional to 27,078.69, 40,602.45 and 10,436.58 is: 15,648.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078.69 : 40,602.45 = 10,436.58 : x
  2. Step 2: Convert to fraction form
    27,078.69/40,602.45 = 10,436.58/x
  3. Step 3: Cross multiply
    27,078.69x = 40,602.45 × 10,436.58
  4. Step 4: Simplify right side
    27,078.69x = 423,750,717.62
  5. Step 5: Solve for x
    x = 423,750,717.62/27,078.69
  6. Step 6: Final answer
    x = 15,648.86

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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.