Home / 27,442.64-37,871.60-15,505.74

Finding the Fourth Proportional to 27,442.64, 37,871.60 and 15,505.74

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Solution

The fourth proportional to 27,442.64, 37,871.60 and 15,505.74 is: 21,398.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,442.64 : 37,871.60 = 15,505.74 : x
  2. Step 2: Convert to fraction form
    27,442.64/37,871.60 = 15,505.74/x
  3. Step 3: Cross multiply
    27,442.64x = 37,871.60 × 15,505.74
  4. Step 4: Simplify right side
    27,442.64x = 587,227,105.46
  5. Step 5: Solve for x
    x = 587,227,105.46/27,442.64
  6. Step 6: Final answer
    x = 21,398.34

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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.