Home / 28,758.32-39,686.76-16,011.68

Finding the Fourth Proportional to 28,758.32, 39,686.76 and 16,011.68

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Solution

The fourth proportional to 28,758.32, 39,686.76 and 16,011.68 is: 22,096.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,758.32 : 39,686.76 = 16,011.68 : x
  2. Step 2: Convert to fraction form
    28,758.32/39,686.76 = 16,011.68/x
  3. Step 3: Cross multiply
    28,758.32x = 39,686.76 × 16,011.68
  4. Step 4: Simplify right side
    28,758.32x = 635,451,701.36
  5. Step 5: Solve for x
    x = 635,451,701.36/28,758.32
  6. Step 6: Final answer
    x = 22,096.27

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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.