Home / 27,705.06-38,228.64-15,767.52

Finding the Fourth Proportional to 27,705.06, 38,228.64 and 15,767.52

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Solution

The fourth proportional to 27,705.06, 38,228.64 and 15,767.52 is: 21,756.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,705.06 : 38,228.64 = 15,767.52 : x
  2. Step 2: Convert to fraction form
    27,705.06/38,228.64 = 15,767.52/x
  3. Step 3: Cross multiply
    27,705.06x = 38,228.64 × 15,767.52
  4. Step 4: Simplify right side
    27,705.06x = 602,770,845.77
  5. Step 5: Solve for x
    x = 602,770,845.77/27,705.06
  6. Step 6: Final answer
    x = 21,756.71

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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.