Home / 27,923.52-38,536.80-15,350.64

Finding the Fourth Proportional to 27,923.52, 38,536.80 and 15,350.64

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Solution

The fourth proportional to 27,923.52, 38,536.80 and 15,350.64 is: 21,185.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,923.52 : 38,536.80 = 15,350.64 : x
  2. Step 2: Convert to fraction form
    27,923.52/38,536.80 = 15,350.64/x
  3. Step 3: Cross multiply
    27,923.52x = 38,536.80 × 15,350.64
  4. Step 4: Simplify right side
    27,923.52x = 591,564,543.55
  5. Step 5: Solve for x
    x = 591,564,543.55/27,923.52
  6. Step 6: Final answer
    x = 21,185.17

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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.