Home / 27,804.06-38,366.06-15,864.26

Finding the Fourth Proportional to 27,804.06, 38,366.06 and 15,864.26

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Solution

The fourth proportional to 27,804.06, 38,366.06 and 15,864.26 is: 21,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804.06 : 38,366.06 = 15,864.26 : x
  2. Step 2: Convert to fraction form
    27,804.06/38,366.06 = 15,864.26/x
  3. Step 3: Cross multiply
    27,804.06x = 38,366.06 × 15,864.26
  4. Step 4: Simplify right side
    27,804.06x = 608,648,879.86
  5. Step 5: Solve for x
    x = 608,648,879.86/27,804.06
  6. Step 6: Final answer
    x = 21,890.65

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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.