Home / 27,442.60-37,868.52-15,508.06

Finding the Fourth Proportional to 27,442.60, 37,868.52 and 15,508.06

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Solution

The fourth proportional to 27,442.60, 37,868.52 and 15,508.06 is: 21,399.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,442.60 : 37,868.52 = 15,508.06 : x
  2. Step 2: Convert to fraction form
    27,442.60/37,868.52 = 15,508.06/x
  3. Step 3: Cross multiply
    27,442.60x = 37,868.52 × 15,508.06
  4. Step 4: Simplify right side
    27,442.60x = 587,267,280.27
  5. Step 5: Solve for x
    x = 587,267,280.27/27,442.60
  6. Step 6: Final answer
    x = 21,399.84

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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.