Home / 27,923.28-38,533.64-15,347.92

Finding the Fourth Proportional to 27,923.28, 38,533.64 and 15,347.92

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Solution

The fourth proportional to 27,923.28, 38,533.64 and 15,347.92 is: 21,179.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,923.28 : 38,533.64 = 15,347.92 : x
  2. Step 2: Convert to fraction form
    27,923.28/38,533.64 = 15,347.92/x
  3. Step 3: Cross multiply
    27,923.28x = 38,533.64 × 15,347.92
  4. Step 4: Simplify right side
    27,923.28x = 591,411,224.03
  5. Step 5: Solve for x
    x = 591,411,224.03/27,923.28
  6. Step 6: Final answer
    x = 21,179.86

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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.