Home / 28,176.28-38,884.47-15,601.03

Finding the Fourth Proportional to 28,176.28, 38,884.47 and 15,601.03

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Solution

The fourth proportional to 28,176.28, 38,884.47 and 15,601.03 is: 21,530.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176.28 : 38,884.47 = 15,601.03 : x
  2. Step 2: Convert to fraction form
    28,176.28/38,884.47 = 15,601.03/x
  3. Step 3: Cross multiply
    28,176.28x = 38,884.47 × 15,601.03
  4. Step 4: Simplify right side
    28,176.28x = 606,637,783.00
  5. Step 5: Solve for x
    x = 606,637,783.00/28,176.28
  6. Step 6: Final answer
    x = 21,530.09

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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.