Home / 28,588.68-42,899.76-11,057.58

Finding the Fourth Proportional to 28,588.68, 42,899.76 and 11,057.58

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Solution

The fourth proportional to 28,588.68, 42,899.76 and 11,057.58 is: 16,592.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,588.68 : 42,899.76 = 11,057.58 : x
  2. Step 2: Convert to fraction form
    28,588.68/42,899.76 = 11,057.58/x
  3. Step 3: Cross multiply
    28,588.68x = 42,899.76 × 11,057.58
  4. Step 4: Simplify right side
    28,588.68x = 474,367,528.18
  5. Step 5: Solve for x
    x = 474,367,528.18/28,588.68
  6. Step 6: Final answer
    x = 16,592.84

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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.