Home / 28,799.12-39,741.13-16,051.88

Finding the Fourth Proportional to 28,799.12, 39,741.13 and 16,051.88

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Solution

The fourth proportional to 28,799.12, 39,741.13 and 16,051.88 is: 22,150.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.12 : 39,741.13 = 16,051.88 : x
  2. Step 2: Convert to fraction form
    28,799.12/39,741.13 = 16,051.88/x
  3. Step 3: Cross multiply
    28,799.12x = 39,741.13 × 16,051.88
  4. Step 4: Simplify right side
    28,799.12x = 637,919,909.05
  5. Step 5: Solve for x
    x = 637,919,909.05/28,799.12
  6. Step 6: Final answer
    x = 22,150.67

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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.