Home / 27,935.16-38,550.78-15,360

Finding the Fourth Proportional to 27,935.16, 38,550.78 and 15,360

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Solution

The fourth proportional to 27,935.16, 38,550.78 and 15,360 is: 21,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,935.16 : 38,550.78 = 15,360 : x
  2. Step 2: Convert to fraction form
    27,935.16/38,550.78 = 15,360/x
  3. Step 3: Cross multiply
    27,935.16x = 38,550.78 × 15,360
  4. Step 4: Simplify right side
    27,935.16x = 592,139,980.80
  5. Step 5: Solve for x
    x = 592,139,980.80/27,935.16
  6. Step 6: Final answer
    x = 21,196.94

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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.