Home / 28,331.32-42,469.26-10,548.93

Finding the Fourth Proportional to 28,331.32, 42,469.26 and 10,548.93

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Solution

The fourth proportional to 28,331.32, 42,469.26 and 10,548.93 is: 15,813.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331.32 : 42,469.26 = 10,548.93 : x
  2. Step 2: Convert to fraction form
    28,331.32/42,469.26 = 10,548.93/x
  3. Step 3: Cross multiply
    28,331.32x = 42,469.26 × 10,548.93
  4. Step 4: Simplify right side
    28,331.32x = 448,005,429.93
  5. Step 5: Solve for x
    x = 448,005,429.93/28,331.32
  6. Step 6: Final answer
    x = 15,813.08

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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.