Home / 27,284.92-37,642.52-15,345.52

Finding the Fourth Proportional to 27,284.92, 37,642.52 and 15,345.52

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Solution

The fourth proportional to 27,284.92, 37,642.52 and 15,345.52 is: 21,170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,284.92 : 37,642.52 = 15,345.52 : x
  2. Step 2: Convert to fraction form
    27,284.92/37,642.52 = 15,345.52/x
  3. Step 3: Cross multiply
    27,284.92x = 37,642.52 × 15,345.52
  4. Step 4: Simplify right side
    27,284.92x = 577,644,043.51
  5. Step 5: Solve for x
    x = 577,644,043.51/27,284.92
  6. Step 6: Final answer
    x = 21,170.82

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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.