Home / 27,923.40-38,533.86-15,986.16

Finding the Fourth Proportional to 27,923.40, 38,533.86 and 15,986.16

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Solution

The fourth proportional to 27,923.40, 38,533.86 and 15,986.16 is: 22,060.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,923.40 : 38,533.86 = 15,986.16 : x
  2. Step 2: Convert to fraction form
    27,923.40/38,533.86 = 15,986.16/x
  3. Step 3: Cross multiply
    27,923.40x = 38,533.86 × 15,986.16
  4. Step 4: Simplify right side
    27,923.40x = 616,008,451.38
  5. Step 5: Solve for x
    x = 616,008,451.38/27,923.40
  6. Step 6: Final answer
    x = 22,060.65

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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.