Home / 20,444.30-28,331.54-20,050.64

Finding the Fourth Proportional to 20,444.30, 28,331.54 and 20,050.64

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Solution

The fourth proportional to 20,444.30, 28,331.54 and 20,050.64 is: 27,786.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.30 : 28,331.54 = 20,050.64 : x
  2. Step 2: Convert to fraction form
    20,444.30/28,331.54 = 20,050.64/x
  3. Step 3: Cross multiply
    20,444.30x = 28,331.54 × 20,050.64
  4. Step 4: Simplify right side
    20,444.30x = 568,065,509.19
  5. Step 5: Solve for x
    x = 568,065,509.19/20,444.30
  6. Step 6: Final answer
    x = 27,786.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.