Home / 27,796.08-38,360.76-15,859.68

Finding the Fourth Proportional to 27,796.08, 38,360.76 and 15,859.68

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Solution

The fourth proportional to 27,796.08, 38,360.76 and 15,859.68 is: 21,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,796.08 : 38,360.76 = 15,859.68 : x
  2. Step 2: Convert to fraction form
    27,796.08/38,360.76 = 15,859.68/x
  3. Step 3: Cross multiply
    27,796.08x = 38,360.76 × 15,859.68
  4. Step 4: Simplify right side
    27,796.08x = 608,389,378.16
  5. Step 5: Solve for x
    x = 608,389,378.16/27,796.08
  6. Step 6: Final answer
    x = 21,887.60

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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.