Home / 28,858.12-39,808.86-23,486.56

Finding the Fourth Proportional to 28,858.12, 39,808.86 and 23,486.56

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Solution

The fourth proportional to 28,858.12, 39,808.86 and 23,486.56 is: 32,398.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.12 : 39,808.86 = 23,486.56 : x
  2. Step 2: Convert to fraction form
    28,858.12/39,808.86 = 23,486.56/x
  3. Step 3: Cross multiply
    28,858.12x = 39,808.86 × 23,486.56
  4. Step 4: Simplify right side
    28,858.12x = 934,973,178.92
  5. Step 5: Solve for x
    x = 934,973,178.92/28,858.12
  6. Step 6: Final answer
    x = 32,398.96

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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.