Home / 28,101.01-38,783.28-16,164.13

Finding the Fourth Proportional to 28,101.01, 38,783.28 and 16,164.13

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Solution

The fourth proportional to 28,101.01, 38,783.28 and 16,164.13 is: 22,308.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,101.01 : 38,783.28 = 16,164.13 : x
  2. Step 2: Convert to fraction form
    28,101.01/38,783.28 = 16,164.13/x
  3. Step 3: Cross multiply
    28,101.01x = 38,783.28 × 16,164.13
  4. Step 4: Simplify right side
    28,101.01x = 626,897,979.75
  5. Step 5: Solve for x
    x = 626,897,979.75/28,101.01
  6. Step 6: Final answer
    x = 22,308.73

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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.