Home / 28,110.80-42,182.40-10,593.20

Finding the Fourth Proportional to 28,110.80, 42,182.40 and 10,593.20

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Solution

The fourth proportional to 28,110.80, 42,182.40 and 10,593.20 is: 15,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110.80 : 42,182.40 = 10,593.20 : x
  2. Step 2: Convert to fraction form
    28,110.80/42,182.40 = 10,593.20/x
  3. Step 3: Cross multiply
    28,110.80x = 42,182.40 × 10,593.20
  4. Step 4: Simplify right side
    28,110.80x = 446,846,599.68
  5. Step 5: Solve for x
    x = 446,846,599.68/28,110.80
  6. Step 6: Final answer
    x = 15,895.90

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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.