Home / 27,349.20-37,739.52-15,411.42

Finding the Fourth Proportional to 27,349.20, 37,739.52 and 15,411.42

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Solution

The fourth proportional to 27,349.20, 37,739.52 and 15,411.42 is: 21,266.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,349.20 : 37,739.52 = 15,411.42 : x
  2. Step 2: Convert to fraction form
    27,349.20/37,739.52 = 15,411.42/x
  3. Step 3: Cross multiply
    27,349.20x = 37,739.52 × 15,411.42
  4. Step 4: Simplify right side
    27,349.20x = 581,619,593.32
  5. Step 5: Solve for x
    x = 581,619,593.32/27,349.20
  6. Step 6: Final answer
    x = 21,266.42

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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.