Home / 28,240.84-42,346.68-11,597.77

Finding the Fourth Proportional to 28,240.84, 42,346.68 and 11,597.77

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Solution

The fourth proportional to 28,240.84, 42,346.68 and 11,597.77 is: 17,390.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.84 : 42,346.68 = 11,597.77 : x
  2. Step 2: Convert to fraction form
    28,240.84/42,346.68 = 11,597.77/x
  3. Step 3: Cross multiply
    28,240.84x = 42,346.68 × 11,597.77
  4. Step 4: Simplify right side
    28,240.84x = 491,127,054.90
  5. Step 5: Solve for x
    x = 491,127,054.90/28,240.84
  6. Step 6: Final answer
    x = 17,390.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.