Home / 27,442.54-37,871.45-15,505.62

Finding the Fourth Proportional to 27,442.54, 37,871.45 and 15,505.62

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Solution

The fourth proportional to 27,442.54, 37,871.45 and 15,505.62 is: 21,398.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,442.54 : 37,871.45 = 15,505.62 : x
  2. Step 2: Convert to fraction form
    27,442.54/37,871.45 = 15,505.62/x
  3. Step 3: Cross multiply
    27,442.54x = 37,871.45 × 15,505.62
  4. Step 4: Simplify right side
    27,442.54x = 587,220,312.55
  5. Step 5: Solve for x
    x = 587,220,312.55/27,442.54
  6. Step 6: Final answer
    x = 21,398.18

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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.