Home / 27,282.27-37,646.47-15,345.35

Finding the Fourth Proportional to 27,282.27, 37,646.47 and 15,345.35

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Solution

The fourth proportional to 27,282.27, 37,646.47 and 15,345.35 is: 21,174.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,282.27 : 37,646.47 = 15,345.35 : x
  2. Step 2: Convert to fraction form
    27,282.27/37,646.47 = 15,345.35/x
  3. Step 3: Cross multiply
    27,282.27x = 37,646.47 × 15,345.35
  4. Step 4: Simplify right side
    27,282.27x = 577,698,230.54
  5. Step 5: Solve for x
    x = 577,698,230.54/27,282.27
  6. Step 6: Final answer
    x = 21,174.86

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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.