Home / 28,525.18-42,754.84-15,349.87

Finding the Fourth Proportional to 28,525.18, 42,754.84 and 15,349.87

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Solution

The fourth proportional to 28,525.18, 42,754.84 and 15,349.87 is: 23,007.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525.18 : 42,754.84 = 15,349.87 : x
  2. Step 2: Convert to fraction form
    28,525.18/42,754.84 = 15,349.87/x
  3. Step 3: Cross multiply
    28,525.18x = 42,754.84 × 15,349.87
  4. Step 4: Simplify right side
    28,525.18x = 656,281,235.87
  5. Step 5: Solve for x
    x = 656,281,235.87/28,525.18
  6. Step 6: Final answer
    x = 23,007.08

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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.